103 lines
3.9 KiB
C
103 lines
3.9 KiB
C
#ifndef APPGAMEFloor_H
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#define APPGAMEFloor_H
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typedef struct
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{
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Sprite sprite;
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Rectangle bounds;
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Shader shader;
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float time;
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} Floor;
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Floor CreateFloor(void)
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{
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Texture2D base = LoadTexture("assets/water_base.png");
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Texture2D caustic = LoadTexture("assets/water_caustics.png");
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Texture2D causticHighlight = LoadTexture("assets/water_caustics_highlights.png");
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Texture2D noise = LoadTexture("assets/water_noise.png");
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Texture2D cloud = LoadTexture("assets/water_cloudnoise.png");
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Texture2D voronoise = LoadTexture("assets/water_voronoise.png");
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float textureWidth = 64.0f;
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Floor floor = {
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.sprite = {
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.texture = base,
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.frameSize = {textureWidth, textureWidth},
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.sourceRec = {0.0f, 0.0f, textureWidth, textureWidth},
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.destRec = {0.0f, 0.0f, textureWidth, textureWidth},
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.origin = {textureWidth / 2, textureWidth / 2},
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.rotation = 0.0f,
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.color = WHITE},
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.bounds = {0},
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.shader = LoadShader("shaders/water.vs", "shaders/water.fs"),
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.time = 0.0f
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};
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float worldTileSize = 128.0f;
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float textureSize = 32.0f;
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floor.sprite.frameSize = (Vector2){worldTileSize, worldTileSize};
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floor.sprite.sourceRec = (Rectangle){0, 0, textureSize, textureSize};
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floor.sprite.destRec = (Rectangle){0, 0, worldTileSize, worldTileSize};
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floor.sprite.origin = (Vector2){0, 0};
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SetShaderValueTexture(floor.shader, GetShaderLocation(floor.shader, "causticTexture"), caustic);
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SetShaderValueTexture(floor.shader, GetShaderLocation(floor.shader, "causticHighlightTexture"), causticHighlight);
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SetShaderValueTexture(floor.shader, GetShaderLocation(floor.shader, "causticNoiseTexture"), noise);
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SetShaderValueTexture(floor.shader, GetShaderLocation(floor.shader, "causticFadeNoiseTexture"), cloud);
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SetShaderValueTexture(floor.shader, GetShaderLocation(floor.shader, "specularNoiseTexture"), voronoise);
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SetShaderValueTexture(floor.shader, GetShaderLocation(floor.shader, "specularMovementLeftNoiseTexture"), voronoise);
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SetShaderValueTexture(floor.shader, GetShaderLocation(floor.shader, "specularMovementRightNoiseTexture"), cloud);
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float aspect = (float)GetScreenHeight() / (float)GetScreenWidth();
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float pixelization = 2048.0f;
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int aspectLoc = GetShaderLocation(floor.shader, "aspectRatio");
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int pixelLoc = GetShaderLocation(floor.shader, "pixelization");
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SetShaderValue(floor.shader, aspectLoc, &aspect, SHADER_UNIFORM_FLOAT);
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SetShaderValue(floor.shader, pixelLoc, &pixelization, SHADER_UNIFORM_FLOAT);
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floor.sprite.texture = base;
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return floor;
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}
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void UpdateFloor(Floor *floor, const Camera2D *camera)
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{
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floor->bounds.x = (int)((camera->target.x - (GetScreenWidth() / 2.0f / camera->zoom)) / floor->sprite.frameSize.x) - 1;
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floor->bounds.width = (int)((camera->target.x + (GetScreenWidth() / 2.0f / camera->zoom)) / floor->sprite.frameSize.x) + 1;
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floor->bounds.y = (int)((camera->target.y - (GetScreenHeight() / 2.0f / camera->zoom)) / floor->sprite.frameSize.y) - 1;
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floor->bounds.height = (int)((camera->target.y + (GetScreenHeight() / 2.0f / camera->zoom)) / floor->sprite.frameSize.y) + 1;
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floor->time += GetFrameTime();
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int timeLoc = GetShaderLocation(floor->shader, "time");
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SetShaderValue(floor->shader, timeLoc, &floor->time, SHADER_UNIFORM_FLOAT);
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}
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void RenderFloor(Floor *floor)
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{
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BeginShaderMode(floor->shader);
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for (int y = (int)floor->bounds.y; y <= (int)floor->bounds.height; y++)
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{
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for (int x = (int)floor->bounds.x; x <= (int)floor->bounds.width; x++)
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{
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Vector2 floorPosition = {x * floor->sprite.frameSize.x, y * floor->sprite.frameSize.y};
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UpdateSpriteDestRec(&floor->sprite, &floorPosition);
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RenderSprite(&floor->sprite);
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}
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}
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EndShaderMode();
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}
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void UnloadFloor(Floor *floor)
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{
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UnloadShader(floor->shader);
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}
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#endif // APPGAMEFLOOR_H
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