105 lines
3.0 KiB
C
105 lines
3.0 KiB
C
#include "game.h"
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void game_loading_screen(void) {
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int logoPositionX = GetScreenWidth() * 0.5 - 128;
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int logoPositionY = GetScreenHeight() * 0.5 - 128;
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int framesCounter = 0;
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int lettersCount = 0;
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int topSideRecWidth = 16;
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int leftSideRecHeight = 16;
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int bottomSideRecWidth = 16;
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int rightSideRecHeight = 16;
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int state = 0; // Tracking animation states (State Machine)
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float alpha = 1.0f; // Useful for fading
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SetTargetFPS(60);
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while (state != 4) {
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// Update
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//----------------------------------------------------------------------------------
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if (state == 0) // State 0: Small box blinking
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{
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framesCounter++;
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if (framesCounter == 120)
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{
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state = 1;
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framesCounter = 0; // Reset counter... will be used later...
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}
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}
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else if (state == 1) // State 1: Top and left bars growing
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{
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topSideRecWidth += 4;
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leftSideRecHeight += 4;
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if (topSideRecWidth == 256) state = 2;
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}
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else if (state == 2) // State 2: Bottom and right bars growing
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{
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bottomSideRecWidth += 4;
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rightSideRecHeight += 4;
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if (bottomSideRecWidth == 256) state = 3;
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}
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else if (state == 3) // State 3: Letters appearing (one by one)
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{
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framesCounter++;
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if (framesCounter/12) // Every 12 frames, one more letter!
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{
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lettersCount++;
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framesCounter = 0;
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}
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if (lettersCount >= 10) // When all letters have appeared, just fade out everything
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{
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alpha -= 0.02f;
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if (alpha <= 0.0f)
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{
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alpha = 0.0f;
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state = 4;
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}
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}
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}
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BeginDrawing(); {
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ClearBackground(RAYWHITE);
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if (state == 0)
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{
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if ((framesCounter/15)%2) DrawRectangle(logoPositionX, logoPositionY, 16, 16, BLACK);
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}
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else if (state == 1)
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{
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DrawRectangle(logoPositionX, logoPositionY, topSideRecWidth, 16, BLACK);
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DrawRectangle(logoPositionX, logoPositionY, 16, leftSideRecHeight, BLACK);
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}
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else if (state == 2)
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{
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DrawRectangle(logoPositionX, logoPositionY, topSideRecWidth, 16, BLACK);
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DrawRectangle(logoPositionX, logoPositionY, 16, leftSideRecHeight, BLACK);
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DrawRectangle(logoPositionX + 240, logoPositionY, 16, rightSideRecHeight, BLACK);
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DrawRectangle(logoPositionX, logoPositionY + 240, bottomSideRecWidth, 16, BLACK);
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}
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else if (state == 3)
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{
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DrawRectangle(logoPositionX, logoPositionY, topSideRecWidth, 16, Fade(BLACK, alpha));
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DrawRectangle(logoPositionX, logoPositionY + 16, 16, leftSideRecHeight - 32, Fade(BLACK, alpha));
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DrawRectangle(logoPositionX + 240, logoPositionY + 16, 16, rightSideRecHeight - 32, Fade(BLACK, alpha));
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DrawRectangle(logoPositionX, logoPositionY + 240, bottomSideRecWidth, 16, Fade(BLACK, alpha));
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DrawRectangle(GetScreenWidth()/2 - 112, GetScreenHeight()/2 - 112, 224, 224, Fade(RAYWHITE, alpha));
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DrawText(TextSubtext("raylib", 0, lettersCount), GetScreenWidth()/2 - 44, GetScreenHeight()/2 + 48, 50, Fade(BLACK, alpha));
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}
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} EndDrawing();
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}
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SetTargetFPS(165);
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} |