[99d44b2] | 1 | #ifndef _VULKAN_GAME_H
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| 2 | #define _VULKAN_GAME_H
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[e8ebc76] | 3 |
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[aa7707d] | 4 | #include <algorithm>
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[0807aeb] | 5 | #include <chrono>
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[e1f88a9] | 6 | #include <map>
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[5192672] | 7 | #include <vector>
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[0807aeb] | 8 |
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[20e4c2b] | 9 | #include <vulkan/vulkan.h>
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| 10 |
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| 11 | #include <SDL2/SDL.h>
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| 12 | #include <SDL2/SDL_ttf.h>
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| 13 |
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[60578ce] | 14 | #define GLM_FORCE_RADIANS
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| 15 | #define GLM_FORCE_DEPTH_ZERO_TO_ONE // Since, in Vulkan, the depth range is 0 to 1 instead of -1 to 1
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[a79be34] | 16 | #define GLM_FORCE_RIGHT_HANDED
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[60578ce] | 17 |
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[771b33a] | 18 | #include <glm/glm.hpp>
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[15104a8] | 19 | #include <glm/gtc/matrix_transform.hpp>
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[771b33a] | 20 |
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[ea2b4dc] | 21 | #include "IMGUI/imgui_impl_vulkan.h"
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| 22 |
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[6bfd91c] | 23 | #include "consts.hpp"
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[4e705d6] | 24 | #include "vulkan-utils.hpp"
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[7d2b0b9] | 25 | #include "graphics-pipeline_vulkan.hpp"
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[4e705d6] | 26 | #include "game-gui-sdl.hpp"
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[b794178] | 27 |
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[15104a8] | 28 | using namespace glm;
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[0807aeb] | 29 | using namespace std::chrono;
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[15104a8] | 30 |
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[2e77b3f] | 31 | #ifdef NDEBUG
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| 32 | const bool ENABLE_VALIDATION_LAYERS = false;
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| 33 | #else
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| 34 | const bool ENABLE_VALIDATION_LAYERS = true;
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| 35 | #endif
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| 36 |
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[cefdf23] | 37 | // TODO: Consider if there is a better way of dealing with all the vertex types and ssbo types, maybe
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| 38 | // by consolidating some and trying to keep new ones to a minimum
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| 39 |
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[5a1ace0] | 40 | struct OverlayVertex {
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[15104a8] | 41 | vec3 pos;
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| 42 | vec2 texCoord;
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[771b33a] | 43 | };
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| 44 |
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[5a1ace0] | 45 | struct ModelVertex {
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[15104a8] | 46 | vec3 pos;
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[5a1ace0] | 47 | vec3 color;
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[15104a8] | 48 | vec2 texCoord;
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[5a1ace0] | 49 | unsigned int objIndex;
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[15104a8] | 50 | };
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| 51 |
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[3782d66] | 52 | struct ShipVertex {
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| 53 | vec3 pos;
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| 54 | vec3 color;
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[06d959f] | 55 | vec3 normal;
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[cf727ca] | 56 | unsigned int objIndex;
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[3782d66] | 57 | };
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| 58 |
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[3e8cc8b] | 59 | struct AsteroidVertex {
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| 60 | vec3 pos;
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| 61 | vec3 color;
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| 62 | vec3 normal;
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| 63 | unsigned int objIndex;
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| 64 | };
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| 65 |
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[237cbec] | 66 | struct LaserVertex {
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| 67 | vec3 pos;
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| 68 | vec2 texCoord;
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| 69 | unsigned int objIndex;
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| 70 | };
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| 71 |
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[4a9416a] | 72 | struct ExplosionVertex {
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| 73 | vec3 particleStartVelocity;
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| 74 | float particleStartTime;
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| 75 | unsigned int objIndex;
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| 76 | };
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| 77 |
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[2d87297] | 78 | struct SSBO_ModelObject {
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[055750a] | 79 | alignas(16) mat4 model;
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| 80 | };
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| 81 |
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[2d87297] | 82 | struct SSBO_Asteroid {
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[3e8cc8b] | 83 | alignas(16) mat4 model;
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| 84 | alignas(4) float hp;
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[4ece3bf] | 85 | alignas(4) unsigned int deleted;
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[3e8cc8b] | 86 | };
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| 87 |
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[237cbec] | 88 | struct SSBO_Laser {
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| 89 | alignas(16) mat4 model;
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| 90 | alignas(4) vec3 color;
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| 91 | alignas(4) unsigned int deleted;
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| 92 | };
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| 93 |
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[4a9416a] | 94 | struct SSBO_Explosion {
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| 95 | alignas(16) mat4 model;
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| 96 | alignas(4) float explosionStartTime;
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| 97 | alignas(4) float explosionDuration;
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| 98 | alignas(4) unsigned int deleted;
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| 99 | };
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| 100 |
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[52a02e6] | 101 | struct UBO_VP_mats {
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| 102 | alignas(16) mat4 view;
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| 103 | alignas(16) mat4 proj;
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| 104 | };
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| 105 |
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[4a9416a] | 106 | struct UBO_Explosion {
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| 107 | alignas(16) mat4 view;
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| 108 | alignas(16) mat4 proj;
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| 109 | alignas(4) float cur_time;
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| 110 | };
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| 111 |
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[4994692] | 112 | // TODO: Change the index type to uint32_t and check the Vulkan Tutorial loading model section as a reference
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| 113 | // TODO: Create a typedef for index type so I can easily change uin16_t to something else later
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| 114 | // TODO: Maybe create a typedef for each of the templated SceneObject types
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| 115 | template<class VertexType, class SSBOType>
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| 116 | struct SceneObject {
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| 117 | vector<VertexType> vertices;
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| 118 | vector<uint16_t> indices;
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| 119 | SSBOType ssbo;
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| 120 |
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| 121 | mat4 model_base;
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| 122 | mat4 model_transform;
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| 123 |
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[5ba732a] | 124 | bool modified;
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| 125 |
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[4994692] | 126 | // TODO: Figure out if I should make child classes that have these fields instead of putting them in the
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| 127 | // parent class
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| 128 | vec3 center; // currently only matters for asteroids
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| 129 | float radius; // currently only matters for asteroids
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[3950236] | 130 | SceneObject<AsteroidVertex, SSBO_Asteroid>* targetAsteroid; // currently only used for lasers
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[4994692] | 131 | };
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| 132 |
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| 133 | // TODO: Have to figure out how to include an optional ssbo parameter for each object
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[2da64ef] | 134 | // Could probably use the same approach to make indices optional
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[4994692] | 135 | // Figure out if there are sufficient use cases to make either of these optional or is it fine to make
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| 136 | // them mamdatory
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[2da64ef] | 137 |
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[7297892] | 138 |
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| 139 | // TODO: Look into using dynamic_cast to check types of SceneObject and EffectOverTime
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| 140 |
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| 141 | struct BaseEffectOverTime {
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| 142 | bool deleted;
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| 143 |
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[5192672] | 144 | virtual void applyEffect(float curTime) = 0;
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[7297892] | 145 |
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| 146 | BaseEffectOverTime() :
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| 147 | deleted(false) {
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| 148 | }
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| 149 |
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| 150 | virtual ~BaseEffectOverTime() {
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| 151 | }
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| 152 | };
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| 153 |
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| 154 | template<class VertexType, class SSBOType>
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| 155 | struct EffectOverTime : public BaseEffectOverTime {
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| 156 | GraphicsPipeline_Vulkan<VertexType, SSBOType>& pipeline;
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| 157 | vector<SceneObject<VertexType, SSBOType>>& objects;
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| 158 | unsigned int objectIndex;
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| 159 | size_t effectedFieldOffset;
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| 160 | float startValue;
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| 161 | float startTime;
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| 162 | float changePerSecond;
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| 163 |
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| 164 | EffectOverTime(GraphicsPipeline_Vulkan<VertexType, SSBOType>& pipeline,
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| 165 | vector<SceneObject<VertexType, SSBOType>>& objects, unsigned int objectIndex,
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[5192672] | 166 | size_t effectedFieldOffset, float startTime, float changePerSecond) :
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[7297892] | 167 | pipeline(pipeline),
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| 168 | objects(objects),
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| 169 | objectIndex(objectIndex),
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| 170 | effectedFieldOffset(effectedFieldOffset),
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[5192672] | 171 | startTime(startTime),
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[7297892] | 172 | changePerSecond(changePerSecond) {
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| 173 | size_t ssboOffset = offset_of(&SceneObject<VertexType, SSBOType>::ssbo);
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| 174 |
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| 175 | unsigned char* effectedFieldPtr = reinterpret_cast<unsigned char*>(&objects[objectIndex]) +
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| 176 | ssboOffset + effectedFieldOffset;
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| 177 |
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| 178 | startValue = *reinterpret_cast<float*>(effectedFieldPtr);
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| 179 | }
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| 180 |
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[5192672] | 181 | void applyEffect(float curTime) {
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[7297892] | 182 | if (objects[objectIndex].ssbo.deleted) {
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| 183 | this->deleted = true;
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| 184 | return;
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| 185 | }
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| 186 |
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| 187 | size_t ssboOffset = offset_of(&SceneObject<VertexType, SSBOType>::ssbo);
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| 188 |
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| 189 | unsigned char* effectedFieldPtr = reinterpret_cast<unsigned char*>(&objects[objectIndex]) +
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| 190 | ssboOffset + effectedFieldOffset;
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| 191 |
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| 192 | *reinterpret_cast<float*>(effectedFieldPtr) = startValue + (curTime - startTime) * changePerSecond;
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| 193 |
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| 194 | objects[objectIndex].modified = true;
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| 195 | }
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| 196 | };
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| 197 |
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[cefdf23] | 198 | // TODO: Maybe move this to a different header
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| 199 |
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[20e4c2b] | 200 | enum UIValueType {
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| 201 | UIVALUE_INT,
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| 202 | UIVALUE_DOUBLE,
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| 203 | };
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| 204 |
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| 205 | struct UIValue {
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| 206 | UIValueType type;
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| 207 | string label;
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| 208 | void* value;
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| 209 |
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| 210 | UIValue(UIValueType _type, string _label, void* _value) : type(_type), label(_label), value(_value) {}
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| 211 | };
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| 212 |
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[99d44b2] | 213 | class VulkanGame {
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[914bb99] | 214 |
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[e8ebc76] | 215 | public:
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[cefdf23] | 216 |
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[3f32dfd] | 217 | VulkanGame();
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[99d44b2] | 218 | ~VulkanGame();
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[0df3c9a] | 219 |
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[b6e60b4] | 220 | void run(int width, int height, unsigned char guiFlags);
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[0df3c9a] | 221 |
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| 222 | private:
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[cefdf23] | 223 |
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[c324d6a] | 224 | static VKAPI_ATTR VkBool32 VKAPI_CALL debugCallback(
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| 225 | VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity,
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| 226 | VkDebugUtilsMessageTypeFlagsEXT messageType,
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| 227 | const VkDebugUtilsMessengerCallbackDataEXT* pCallbackData,
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| 228 | void* pUserData);
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| 229 |
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[cefdf23] | 230 | // TODO: Maybe pass these in as parameters to some Camera class
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[5ab1b20] | 231 | const float NEAR_CLIP = 0.1f;
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| 232 | const float FAR_CLIP = 100.0f;
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[cefdf23] | 233 | const float FOV_ANGLE = 67.0f; // means the camera lens goes from -33 deg to 33 deg
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[5ab1b20] | 234 |
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[4a9416a] | 235 | const int EXPLOSION_PARTICLE_COUNT = 300;
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| 236 | const vec3 LASER_COLOR = vec3(0.2f, 1.0f, 0.2f);
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| 237 |
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[c6f0793] | 238 | bool done;
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[e1f88a9] | 239 |
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[15104a8] | 240 | vec3 cam_pos;
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| 241 |
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[4e705d6] | 242 | // TODO: Good place to start using smart pointers
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[0df3c9a] | 243 | GameGui* gui;
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[c559904] | 244 |
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| 245 | SDL_version sdlVersion;
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[b794178] | 246 | SDL_Window* window = nullptr;
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[c1d9b2a] | 247 |
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[301c90a] | 248 | int drawableWidth, drawableHeight;
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| 249 |
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[c1d9b2a] | 250 | VkInstance instance;
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| 251 | VkDebugUtilsMessengerEXT debugMessenger;
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[7865c5b] | 252 | VkSurfaceKHR vulkanSurface;
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[90a424f] | 253 | VkPhysicalDevice physicalDevice = VK_NULL_HANDLE;
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[c1c2021] | 254 | VkDevice device;
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| 255 |
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| 256 | VkQueue graphicsQueue;
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| 257 | VkQueue presentQueue;
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[0df3c9a] | 258 |
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[3f32dfd] | 259 | // TODO: Maybe make a swapchain struct for convenience
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| 260 | VkSurfaceFormatKHR swapChainSurfaceFormat;
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| 261 | VkPresentModeKHR swapChainPresentMode;
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| 262 | VkExtent2D swapChainExtent;
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| 263 | uint32_t swapChainMinImageCount;
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[c324d6a] | 264 | uint32_t swapChainImageCount;
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[502bd0b] | 265 | VkSwapchainKHR swapChain;
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| 266 | vector<VkImage> swapChainImages;
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[f94eea9] | 267 | vector<VkImageView> swapChainImageViews;
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[603b5bc] | 268 | vector<VkFramebuffer> swapChainFramebuffers;
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[fa9fa1c] | 269 |
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[6fc24c7] | 270 | VkRenderPass renderPass;
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[3f32dfd] | 271 |
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| 272 | VkCommandPool resourceCommandPool;
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| 273 |
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[9c0a614] | 274 | vector<VkCommandPool> commandPools;
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[603b5bc] | 275 | vector<VkCommandBuffer> commandBuffers;
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[502bd0b] | 276 |
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[603b5bc] | 277 | VulkanImage depthImage;
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[b794178] | 278 |
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[3f32dfd] | 279 | // These are per frame
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| 280 | vector<VkSemaphore> imageAcquiredSemaphores;
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| 281 | vector<VkSemaphore> renderCompleteSemaphores;
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| 282 |
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| 283 | // These are per swap chain image
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[4e705d6] | 284 | vector<VkFence> inFlightFences;
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| 285 |
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[3f32dfd] | 286 | uint32_t imageIndex;
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| 287 | uint32_t currentFrame;
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[4e705d6] | 288 |
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[28ea92f] | 289 | bool shouldRecreateSwapChain;
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[4e705d6] | 290 |
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[b794178] | 291 | VkSampler textureSampler;
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| 292 |
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[4994692] | 293 | VulkanImage floorTextureImage;
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| 294 | VkDescriptorImageInfo floorTextureImageDescriptor;
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| 295 |
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[237cbec] | 296 | VulkanImage laserTextureImage;
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| 297 | VkDescriptorImageInfo laserTextureImageDescriptor;
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| 298 |
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[22217d4] | 299 | mat4 viewMat, projMat;
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| 300 |
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[cefdf23] | 301 | // Maybe at some point create an imgui pipeline class, but I don't think it makes sense right now
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| 302 | VkDescriptorPool imguiDescriptorPool;
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| 303 |
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| 304 | // TODO: Probably restructure the GraphicsPipeline_Vulkan class based on what I learned about descriptors and textures
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| 305 | // while working on graphics-library. Double-check exactly what this was and note it down here.
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| 306 | // Basically, I think the point was that if I have several modesl that all use the same shaders and, therefore,
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| 307 | // the same pipeline, but use different textures, the approach I took when initially creating GraphicsPipeline_Vulkan
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| 308 | // wouldn't work since the whole pipeline couldn't have a common set of descriptors for the textures
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| 309 | GraphicsPipeline_Vulkan<ModelVertex, SSBO_ModelObject> modelPipeline;
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| 310 | GraphicsPipeline_Vulkan<ShipVertex, SSBO_ModelObject> shipPipeline;
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| 311 | GraphicsPipeline_Vulkan<AsteroidVertex, SSBO_Asteroid> asteroidPipeline;
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| 312 | GraphicsPipeline_Vulkan<LaserVertex, SSBO_Laser> laserPipeline;
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| 313 | GraphicsPipeline_Vulkan<ExplosionVertex, SSBO_Explosion> explosionPipeline;
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| 314 |
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[860a0da] | 315 | // TODO: Maybe make the ubo objects part of the pipeline class since there's only one ubo
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| 316 | // per pipeline.
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| 317 | // Or maybe create a higher level wrapper around GraphicsPipeline_Vulkan to hold things like
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| 318 | // the objects vector, the ubo, and the ssbo
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| 319 |
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[2ba5617] | 320 | // TODO: Rename *_VP_mats to *_uniforms and possibly use different types for each one
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| 321 | // if there is a need to add other uniform variables to one or more of the shaders
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| 322 |
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[2d87297] | 323 | vector<SceneObject<ModelVertex, SSBO_ModelObject>> modelObjects;
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[0fe8433] | 324 |
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[d25381b] | 325 | vector<VkBuffer> uniformBuffers_modelPipeline;
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| 326 | vector<VkDeviceMemory> uniformBuffersMemory_modelPipeline;
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| 327 | vector<VkDescriptorBufferInfo> uniformBufferInfoList_modelPipeline;
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[b794178] | 328 |
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[0fe8433] | 329 | UBO_VP_mats object_VP_mats;
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| 330 |
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[2d87297] | 331 | vector<SceneObject<ShipVertex, SSBO_ModelObject>> shipObjects;
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[0fe8433] | 332 |
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[3782d66] | 333 | vector<VkBuffer> uniformBuffers_shipPipeline;
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| 334 | vector<VkDeviceMemory> uniformBuffersMemory_shipPipeline;
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| 335 | vector<VkDescriptorBufferInfo> uniformBufferInfoList_shipPipeline;
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| 336 |
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[0fe8433] | 337 | UBO_VP_mats ship_VP_mats;
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[0e09340] | 338 |
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[2d87297] | 339 | vector<SceneObject<AsteroidVertex, SSBO_Asteroid>> asteroidObjects;
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[3e8cc8b] | 340 |
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| 341 | vector<VkBuffer> uniformBuffers_asteroidPipeline;
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| 342 | vector<VkDeviceMemory> uniformBuffersMemory_asteroidPipeline;
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| 343 | vector<VkDescriptorBufferInfo> uniformBufferInfoList_asteroidPipeline;
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| 344 |
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| 345 | UBO_VP_mats asteroid_VP_mats;
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| 346 |
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[237cbec] | 347 | vector<SceneObject<LaserVertex, SSBO_Laser>> laserObjects;
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| 348 |
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| 349 | vector<VkBuffer> uniformBuffers_laserPipeline;
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| 350 | vector<VkDeviceMemory> uniformBuffersMemory_laserPipeline;
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| 351 | vector<VkDescriptorBufferInfo> uniformBufferInfoList_laserPipeline;
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| 352 |
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| 353 | UBO_VP_mats laser_VP_mats;
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| 354 |
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[4a9416a] | 355 | vector<SceneObject<ExplosionVertex, SSBO_Explosion>> explosionObjects;
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| 356 |
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| 357 | vector<VkBuffer> uniformBuffers_explosionPipeline;
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| 358 | vector<VkDeviceMemory> uniformBuffersMemory_explosionPipeline;
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| 359 | vector<VkDescriptorBufferInfo> uniformBufferInfoList_explosionPipeline;
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| 360 |
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| 361 | UBO_Explosion explosion_UBO;
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| 362 |
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[7297892] | 363 | vector<BaseEffectOverTime*> effects;
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| 364 |
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[0807aeb] | 365 | float shipSpeed = 0.5f;
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| 366 | float asteroidSpeed = 2.0f;
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| 367 |
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| 368 | float spawnRate_asteroid = 0.5;
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| 369 | float lastSpawn_asteroid;
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[4ece3bf] | 370 |
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[1f81ecc] | 371 | unsigned int leftLaserIdx = -1;
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[7297892] | 372 | EffectOverTime<AsteroidVertex, SSBO_Asteroid>* leftLaserEffect = nullptr;
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[1f81ecc] | 373 |
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| 374 | unsigned int rightLaserIdx = -1;
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[7297892] | 375 | EffectOverTime<AsteroidVertex, SSBO_Asteroid>* rightLaserEffect = nullptr;
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[1f81ecc] | 376 |
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[20e4c2b] | 377 | /*** High-level vars ***/
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| 378 |
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[301c90a] | 379 | // TODO: Just typedef the type of this function to RenderScreenFn or something since it's used in a few places
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| 380 | void (VulkanGame::* currentRenderScreenFn)(int width, int height);
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[20e4c2b] | 381 |
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| 382 | map<string, vector<UIValue>> valueLists;
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| 383 |
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| 384 | int score;
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| 385 | float fps;
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| 386 |
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| 387 | // TODO: Make a separate TImer class
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| 388 | time_point<steady_clock> startTime;
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| 389 | float fpsStartTime, curTime, prevTime, elapsedTime;
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| 390 |
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| 391 | int frameCount;
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| 392 |
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| 393 | /*** Functions ***/
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| 394 |
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[4e705d6] | 395 | bool initUI(int width, int height, unsigned char guiFlags);
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[0df3c9a] | 396 | void initVulkan();
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[f97c5e7] | 397 | void initGraphicsPipelines();
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[15104a8] | 398 | void initMatrices();
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[20e4c2b] | 399 | void renderLoop();
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[3f32dfd] | 400 | void updateScene();
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[0df3c9a] | 401 | void cleanup();
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[c1d9b2a] | 402 |
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[c324d6a] | 403 | void createVulkanInstance(const vector<const char*>& validationLayers);
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[c1d9b2a] | 404 | void setupDebugMessenger();
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| 405 | void populateDebugMessengerCreateInfo(VkDebugUtilsMessengerCreateInfoEXT& createInfo);
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[90a424f] | 406 | void createVulkanSurface();
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[fe5c3ba] | 407 | void pickPhysicalDevice(const vector<const char*>& deviceExtensions);
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[fa9fa1c] | 408 | bool isDeviceSuitable(VkPhysicalDevice physicalDevice, const vector<const char*>& deviceExtensions);
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[c324d6a] | 409 | void createLogicalDevice(const vector<const char*>& validationLayers,
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[c1c2021] | 410 | const vector<const char*>& deviceExtensions);
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[3f32dfd] | 411 | void chooseSwapChainProperties();
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[502bd0b] | 412 | void createSwapChain();
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[f94eea9] | 413 | void createImageViews();
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[3f32dfd] | 414 | void createResourceCommandPool();
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[603b5bc] | 415 | void createImageResources();
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[cefdf23] | 416 | VkFormat findDepthFormat(); // TODO: Declare/define (in the cpp file) this function in some util functions section
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| 417 | void createRenderPass();
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| 418 | void createCommandPools();
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[603b5bc] | 419 | void createFramebuffers();
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| 420 | void createCommandBuffers();
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[34bdf3a] | 421 | void createSyncObjects();
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[f94eea9] | 422 |
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[3f32dfd] | 423 | void createTextureSampler();
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| 424 |
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[cefdf23] | 425 | void initImGuiOverlay();
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| 426 | void cleanupImGuiOverlay();
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| 427 |
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| 428 | void createBufferSet(VkDeviceSize bufferSize, VkBufferUsageFlags flags,
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| 429 | vector<VkBuffer>& buffers, vector<VkDeviceMemory>& buffersMemory,
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| 430 | vector<VkDescriptorBufferInfo>& bufferInfoList);
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[3b7d497] | 431 |
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[4994692] | 432 | // TODO: Since addObject() returns a reference to the new object now,
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| 433 | // stop using objects.back() to access the object that was just created
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[2d87297] | 434 | template<class VertexType, class SSBOType>
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[4994692] | 435 | SceneObject<VertexType, SSBOType>& addObject(
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| 436 | vector<SceneObject<VertexType, SSBOType>>& objects,
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| 437 | GraphicsPipeline_Vulkan<VertexType, SSBOType>& pipeline,
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| 438 | const vector<VertexType>& vertices, vector<uint16_t> indices, SSBOType ssbo,
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| 439 | bool pipelinesCreated);
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[0fe8433] | 440 |
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[cefdf23] | 441 | template<class VertexType>
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| 442 | vector<VertexType> addObjectIndex(unsigned int objIndex, vector<VertexType> vertices);
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| 443 |
|
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| 444 | template<class VertexType>
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| 445 | vector<VertexType> addVertexNormals(vector<VertexType> vertices);
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| 446 |
|
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| 447 | template<class VertexType, class SSBOType>
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| 448 | void centerObject(SceneObject<VertexType, SSBOType>& object);
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| 449 |
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[2da64ef] | 450 | template<class VertexType, class SSBOType>
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| 451 | void updateObject(vector<SceneObject<VertexType, SSBOType>>& objects,
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[4994692] | 452 | GraphicsPipeline_Vulkan<VertexType, SSBOType>& pipeline, size_t index);
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[2da64ef] | 453 |
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[1f81ecc] | 454 | template<class VertexType, class SSBOType>
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| 455 | void updateObjectVertices(GraphicsPipeline_Vulkan<VertexType, SSBOType>& pipeline,
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| 456 | SceneObject<VertexType, SSBOType>& obj, size_t index);
|
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| 457 |
|
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[52a02e6] | 458 | void addLaser(vec3 start, vec3 end, vec3 color, float width);
|
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| 459 | void translateLaser(size_t index, const vec3& translation);
|
---|
| 460 | void updateLaserTarget(size_t index);
|
---|
| 461 | bool getLaserAndAsteroidIntersection(SceneObject<AsteroidVertex, SSBO_Asteroid>& asteroid,
|
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| 462 | vec3& start, vec3& end, vec3& intersection);
|
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| 463 |
|
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[4a9416a] | 464 | void addExplosion(mat4 model_mat, float duration, float cur_time);
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| 465 |
|
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[ea2b4dc] | 466 | void renderFrame(ImDrawData* draw_data);
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[4e2c709] | 467 | void presentFrame();
|
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| 468 |
|
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[d2d9286] | 469 | void recreateSwapChain();
|
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| 470 |
|
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[c1c2021] | 471 | void cleanupSwapChain();
|
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[20e4c2b] | 472 |
|
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| 473 | /*** High-level functions ***/
|
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| 474 |
|
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[301c90a] | 475 | void renderMainScreen(int width, int height);
|
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| 476 | void renderGameScreen(int width, int height);
|
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[20e4c2b] | 477 |
|
---|
| 478 | void initGuiValueLists(map<string, vector<UIValue>>& valueLists);
|
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| 479 | void renderGuiValueList(vector<UIValue>& values);
|
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| 480 |
|
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[301c90a] | 481 | void goToScreen(void (VulkanGame::* renderScreenFn)(int width, int height));
|
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[20e4c2b] | 482 | void quitGame();
|
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[e8ebc76] | 483 | };
|
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| 484 |
|
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[4a9416a] | 485 | // Start of specialized no-op functions
|
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| 486 |
|
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| 487 | template<>
|
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| 488 | inline void VulkanGame::centerObject(SceneObject<ExplosionVertex, SSBO_Explosion>& object) {
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| 489 | }
|
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| 490 |
|
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| 491 | // End of specialized no-op functions
|
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| 492 |
|
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[3b84bb6] | 493 | // TODO: Right now, it's basically necessary to pass the identity matrix in for ssbo.model
|
---|
| 494 | // and to change the model matrix later by setting model_transform and then calling updateObject()
|
---|
| 495 | // Figure out a better way to allow the model matrix to be set during objecting creation
|
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[2ba5617] | 496 |
|
---|
| 497 | // TODO: Maybe return a reference to the object from this method if I decide that updating it
|
---|
| 498 | // immediately after creation is a good idea (such as setting model_base)
|
---|
| 499 | // Currently, model_base is set like this in a few places and the radius is set for asteroids
|
---|
| 500 | // to account for scaling
|
---|
[2d87297] | 501 | template<class VertexType, class SSBOType>
|
---|
[4994692] | 502 | SceneObject<VertexType, SSBOType>& VulkanGame::addObject(
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| 503 | vector<SceneObject<VertexType, SSBOType>>& objects,
|
---|
[2d87297] | 504 | GraphicsPipeline_Vulkan<VertexType, SSBOType>& pipeline,
|
---|
[3b84bb6] | 505 | const vector<VertexType>& vertices, vector<uint16_t> indices, SSBOType ssbo,
|
---|
| 506 | bool pipelinesCreated) {
|
---|
[2ba5617] | 507 | // TODO: Use the model field of ssbo to set the object's model_base
|
---|
| 508 | // currently, the passed in model is useless since it gets overridden in updateObject() anyway
|
---|
[0fe8433] | 509 | size_t numVertices = pipeline.getNumVertices();
|
---|
| 510 |
|
---|
| 511 | for (uint16_t& idx : indices) {
|
---|
| 512 | idx += numVertices;
|
---|
| 513 | }
|
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| 514 |
|
---|
[5ba732a] | 515 | objects.push_back({ vertices, indices, ssbo, mat4(1.0f), mat4(1.0f), false });
|
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[3b84bb6] | 516 |
|
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[2ba5617] | 517 | SceneObject<VertexType, SSBOType>& obj = objects.back();
|
---|
[1f81ecc] | 518 |
|
---|
[cefdf23] | 519 | // TODO: Specify whether to center the object outside of this function or, worst case, maybe
|
---|
| 520 | // with a boolean being passed in here, so that I don't have to rely on checking the specific object
|
---|
| 521 | // type
|
---|
[4a9416a] | 522 | if (!is_same_v<VertexType, LaserVertex> && !is_same_v<VertexType, ExplosionVertex>) {
|
---|
[1f81ecc] | 523 | centerObject(obj);
|
---|
| 524 | }
|
---|
[2ba5617] | 525 |
|
---|
[4994692] | 526 | bool storageBufferResized = pipeline.addObject(obj.vertices, obj.indices, obj.ssbo,
|
---|
[9067efc] | 527 | resourceCommandPool, graphicsQueue);
|
---|
[0fe8433] | 528 |
|
---|
[3b84bb6] | 529 | if (pipelinesCreated) {
|
---|
[44f23af] | 530 | vkDeviceWaitIdle(device);
|
---|
[9c0a614] | 531 |
|
---|
| 532 | for (uint32_t i = 0; i < swapChainImageCount; i++) {
|
---|
| 533 | vkFreeCommandBuffers(device, commandPools[i], 1, &commandBuffers[i]);
|
---|
| 534 | }
|
---|
[44f23af] | 535 |
|
---|
| 536 | // TODO: The pipeline recreation only has to be done once per frame where at least
|
---|
| 537 | // one SSBO is resized.
|
---|
| 538 | // Refactor the logic to check for any resized SSBOs after all objects for the frame
|
---|
| 539 | // are created and then recreate each of the corresponding pipelines only once per frame
|
---|
[3b84bb6] | 540 | if (storageBufferResized) {
|
---|
[44f23af] | 541 | pipeline.createPipeline(pipeline.vertShaderFile, pipeline.fragShaderFile);
|
---|
| 542 | pipeline.createDescriptorPool(swapChainImages);
|
---|
| 543 | pipeline.createDescriptorSets(swapChainImages);
|
---|
[3b84bb6] | 544 | }
|
---|
| 545 |
|
---|
| 546 | createCommandBuffers();
|
---|
| 547 | }
|
---|
[4994692] | 548 |
|
---|
| 549 | return obj;
|
---|
[0fe8433] | 550 | }
|
---|
| 551 |
|
---|
[cefdf23] | 552 | template<class VertexType>
|
---|
| 553 | vector<VertexType> VulkanGame::addObjectIndex(unsigned int objIndex, vector<VertexType> vertices) {
|
---|
| 554 | for (VertexType& vertex : vertices) {
|
---|
| 555 | vertex.objIndex = objIndex;
|
---|
| 556 | }
|
---|
[2da64ef] | 557 |
|
---|
[cefdf23] | 558 | return vertices;
|
---|
[1f81ecc] | 559 | }
|
---|
| 560 |
|
---|
[914bb99] | 561 | // This function sets all the normals for a face to be parallel
|
---|
| 562 | // This is good for models that should have distinct faces, but bad for models that should appear smooth
|
---|
| 563 | // Maybe add an option to set all copies of a point to have the same normal and have the direction of
|
---|
| 564 | // that normal be the weighted average of all the faces it is a part of, where the weight from each face
|
---|
| 565 | // is its surface area.
|
---|
| 566 |
|
---|
| 567 | // TODO: Since the current approach to normal calculation basicaly makes indexed drawing useless, see if it's
|
---|
| 568 | // feasible to automatically enable/disable indexed drawing based on which approach is used
|
---|
[06d959f] | 569 | template<class VertexType>
|
---|
| 570 | vector<VertexType> VulkanGame::addVertexNormals(vector<VertexType> vertices) {
|
---|
| 571 | for (unsigned int i = 0; i < vertices.size(); i += 3) {
|
---|
| 572 | vec3 p1 = vertices[i].pos;
|
---|
[cefdf23] | 573 | vec3 p2 = vertices[i + 1].pos;
|
---|
| 574 | vec3 p3 = vertices[i + 2].pos;
|
---|
[06d959f] | 575 |
|
---|
[a79be34] | 576 | vec3 normal = normalize(cross(p2 - p1, p3 - p1));
|
---|
[06d959f] | 577 |
|
---|
| 578 | // Add the same normal for all 3 vertices
|
---|
| 579 | vertices[i].normal = normal;
|
---|
[cefdf23] | 580 | vertices[i + 1].normal = normal;
|
---|
| 581 | vertices[i + 2].normal = normal;
|
---|
[cf727ca] | 582 | }
|
---|
| 583 |
|
---|
| 584 | return vertices;
|
---|
| 585 | }
|
---|
| 586 |
|
---|
[3b84bb6] | 587 | template<class VertexType, class SSBOType>
|
---|
| 588 | void VulkanGame::centerObject(SceneObject<VertexType, SSBOType>& object) {
|
---|
| 589 | vector<VertexType>& vertices = object.vertices;
|
---|
| 590 |
|
---|
[a79be34] | 591 | float min_x = vertices[0].pos.x;
|
---|
| 592 | float max_x = vertices[0].pos.x;
|
---|
| 593 | float min_y = vertices[0].pos.y;
|
---|
| 594 | float max_y = vertices[0].pos.y;
|
---|
| 595 | float min_z = vertices[0].pos.z;
|
---|
| 596 | float max_z = vertices[0].pos.z;
|
---|
| 597 |
|
---|
| 598 | // start from the second point
|
---|
| 599 | for (unsigned int i = 1; i < vertices.size(); i++) {
|
---|
[3b84bb6] | 600 | vec3& pos = vertices[i].pos;
|
---|
| 601 |
|
---|
| 602 | if (min_x > pos.x) {
|
---|
| 603 | min_x = pos.x;
|
---|
| 604 | } else if (max_x < pos.x) {
|
---|
| 605 | max_x = pos.x;
|
---|
[a79be34] | 606 | }
|
---|
| 607 |
|
---|
[3b84bb6] | 608 | if (min_y > pos.y) {
|
---|
| 609 | min_y = pos.y;
|
---|
| 610 | } else if (max_y < pos.y) {
|
---|
| 611 | max_y = pos.y;
|
---|
[a79be34] | 612 | }
|
---|
| 613 |
|
---|
[3b84bb6] | 614 | if (min_z > pos.z) {
|
---|
| 615 | min_z = pos.z;
|
---|
| 616 | } else if (max_z < pos.z) {
|
---|
| 617 | max_z = pos.z;
|
---|
[a79be34] | 618 | }
|
---|
| 619 | }
|
---|
| 620 |
|
---|
| 621 | vec3 center = vec3(min_x + max_x, min_y + max_y, min_z + max_z) / 2.0f;
|
---|
| 622 |
|
---|
| 623 | for (unsigned int i = 0; i < vertices.size(); i++) {
|
---|
| 624 | vertices[i].pos -= center;
|
---|
| 625 | }
|
---|
| 626 |
|
---|
[2ba5617] | 627 | object.radius = std::max(max_x - center.x, max_y - center.y);
|
---|
| 628 | object.radius = std::max(object.radius, max_z - center.z);
|
---|
| 629 |
|
---|
[3b84bb6] | 630 | object.center = vec3(0.0f, 0.0f, 0.0f);
|
---|
[a79be34] | 631 | }
|
---|
| 632 |
|
---|
[cefdf23] | 633 | // TODO: Just pass in the single object instead of a list of all of them
|
---|
| 634 | template<class VertexType, class SSBOType>
|
---|
| 635 | void VulkanGame::updateObject(vector<SceneObject<VertexType, SSBOType>>& objects,
|
---|
| 636 | GraphicsPipeline_Vulkan<VertexType, SSBOType>& pipeline, size_t index) {
|
---|
| 637 | SceneObject<VertexType, SSBOType>& obj = objects[index];
|
---|
| 638 |
|
---|
| 639 | obj.ssbo.model = obj.model_transform * obj.model_base;
|
---|
| 640 | obj.center = vec3(obj.ssbo.model * vec4(0.0f, 0.0f, 0.0f, 1.0f));
|
---|
| 641 |
|
---|
| 642 | pipeline.updateObject(index, obj.ssbo);
|
---|
| 643 |
|
---|
| 644 | obj.modified = false;
|
---|
| 645 | }
|
---|
| 646 |
|
---|
| 647 | template<class VertexType, class SSBOType>
|
---|
| 648 | void VulkanGame::updateObjectVertices(GraphicsPipeline_Vulkan<VertexType, SSBOType>& pipeline,
|
---|
| 649 | SceneObject<VertexType, SSBOType>& obj, size_t index) {
|
---|
| 650 | pipeline.updateObjectVertices(index, obj.vertices, resourceCommandPool, graphicsQueue);
|
---|
| 651 | }
|
---|
| 652 |
|
---|
[3b84bb6] | 653 | #endif // _VULKAN_GAME_H
|
---|