#include <raylib.h>
#include <rdrawing.h>
#include <time.h>

#define SHRINK_FRAMES 2

Image genBodyImage();
Image genShrinkImage0();
Image genShrinkImage1();
Image genShrinkImage2();
Image genShrinkImage3();
Image genShrinkImage4();

int main() {
	InitWindow(800,600,"Doraemon");
	SetTraceLogLevel(LOG_WARNING);
	SetTargetFPS(30);
	
	SetRandomSeed(time(NULL));
	
	Image img=genBodyImage();
	Image shrinkImages[9];
	shrinkImages[0]=genShrinkImage0();
	shrinkImages[1]=genShrinkImage1();
	shrinkImages[2]=genShrinkImage2();
	shrinkImages[3]=genShrinkImage3();
	shrinkImages[4]=genShrinkImage4();
	shrinkImages[5]=genShrinkImage3();
	shrinkImages[6]=genShrinkImage2();
	shrinkImages[7]=genShrinkImage1();
	shrinkImages[8]=genShrinkImage0();
	
	Texture texture = LoadTextureFromImage(img);
	Texture shrinkTexture;
	int stage = -1;
	int repeats = 0;
	
	while(!WindowShouldClose()) {
		if (stage==-1) {
			int r = GetRandomValue(1,30);
			if (r==1) {
				stage=0;
				repeats=0;
			}
		}
		int idx=0;
		if (stage>=0) {
			idx=stage / SHRINK_FRAMES;
			if (idx<9) {
				shrinkTexture=LoadTextureFromImage(shrinkImages[idx]);	
			} else {
				idx=0;
				stage=0;
				repeats++;
				if (repeats>=3) 
					stage=-1;
			}
		}
		if (stage>=0) {
			stage++;
		}
		
		BeginDrawing();
		ClearBackground(WHITE);
		DrawTexture(texture,0,0,WHITE);
		DrawTexture(shrinkTexture,0,0,WHITE);
		EndDrawing();
		UnloadTexture(shrinkTexture);
	}
	
	//Clean up
	UnloadTexture(texture);
	UnloadImage(img);
	for (int i=0;i<9;i++) {
		UnloadImage(shrinkImages[i]);
	}
	CloseWindow();
}

Image genBodyImage(){
	Image img=GenImageColor(800,600,WHITE);
	// 画头
	Color fillColor = (Color){7,190,234,255};
	Color color=BLACK;
	ImageFillRoundRectEx(&img,265, 94, 270, 260, 124, 124,fillColor);
	ImageDrawRoundRectEx(&img,265, 94, 270, 260, 124, 124,1,color);
	
	fillColor = WHITE;								// 脸
	ImageFillEllipseEx(&img, 400, 256, 115, 95, fillColor);
	
	ImageFillRoundRectEx(&img,337, 131, 63, 74, 28, 28, fillColor);			// 右眼
	ImageDrawRoundRectEx(&img,337, 131, 63, 74, 28, 28,1, color);			
	ImageFillRoundRectEx(&img,400, 131, 63, 74, 28, 28, fillColor);			// 左眼
	ImageDrawRoundRectEx(&img,400, 131, 63, 74, 28, 28,1, color);	
	
	fillColor = BLACK;
	ImageFillCircleEx(&img,384,184,6, fillColor);							// 右眼球
	ImageFillCircleEx(&img,416,184,6, fillColor);							// 左眼球
	
	fillColor = (Color){201, 62, 0, 255};						// 鼻子
	ImageFillCircleEx(&img, 400, 208, 15, fillColor);
	
	ImageDrawLineEx(&img,400,223,400,296,1,color);		// 人中
	ImageDrawArcEx(&img,400, 192, 108, 108, PI * 5 / 4, PI * 7 / 4,1,color);	// 嘴
	
	ImageDrawLineEx(&img,358, 227, 310, 209,1,color);							// 胡子
	ImageDrawLineEx(&img,442, 227, 490, 209,1,color);
	ImageDrawLineEx(&img,359, 235, 308, 235,1,color);
	ImageDrawLineEx(&img,441, 235, 492, 235,1,color);
	ImageDrawLineEx(&img,358, 243, 310, 261,1,color);
	ImageDrawLineEx(&img,442, 243, 490, 261,1,color);	
	
	// 画身体
	ImageDrawLineEx(&img, 319, 332, 262, 372,1,color);					// 手臂(上)
	ImageDrawLineEx(&img, 481, 332, 538, 372,1,color);
	ImageDrawLineEx(&img, 304, 396, 284, 410,1,color);					// 手臂(下)
	ImageDrawLineEx(&img, 496, 396, 516, 410,1,color);
	
	ImageDrawLineEx(&img, 304, 385, 304, 478,1,color);					// 腿外侧
	ImageDrawLineEx(&img, 496, 385, 496, 478,1,color);
	ImageDrawArcEx(&img, 400, 479, 15,11,0,PI,1,color);				// 腿内侧
	
	fillColor=WHITE;						// 手
	ImageFillCircleEx(&img, 260,399,27, fillColor);
	ImageDrawCircleEx(&img, 260,399,27, 1, color);
	ImageFillCircleEx(&img, 540,399,27, fillColor);
	ImageDrawCircleEx(&img, 540,399,27, 1, color);
	ImageFillRoundRectEx(&img,288,478,110,27,12,12,fillColor);			// 脚
	ImageDrawRoundRectEx(&img,288,478,110,27,12,12,1,color);			
	ImageFillRoundRectEx(&img,402,478,110,27,12,12,fillColor);
	ImageDrawRoundRectEx(&img,402,478,110,27,12,12,1,color);			
	
	fillColor=(Color){7,190,234,255};							// 身体填充蓝色
	ImageFloodFill(&img,400,400,BLACK,fillColor);
	
	fillColor=WHITE;						// 肚皮
	ImageFillCircleEx(&img,400,381,75,fillColor);
	ImageFillRectangleEx(&img,340,304,120,20,fillColor); // 用白色矩形擦掉多余的肚皮
	
	ImageDrawSectorEx(&img,400,381,58, 58,PI,2*PI,1,color); // 口袋 
	
	// 画铃铛
	fillColor=(Color){169, 38, 0,255};				// 绳子
	ImageFillRoundRectEx(&img,300,323,200,19,12,12,fillColor);
	
	fillColor=(Color){245, 237, 38,255};			// 铃铛外形
	ImageFillCircleEx(&img,400,349,19,fillColor);
	
	fillColor=BLACK;						// 铃铛上的洞
	ImageFillEllipseEx(&img,400,354,4,4,fillColor);
	ImageDrawLineEx(&img,400,357,400,368,3,color);	
	
	ImageDrawLineEx(&img,384,340,416,340,1,color);					// 铃铛上的纹路
	ImageDrawLineEx(&img,384,344,418,344,1,color);
	return img;
}

Image genShrinkImage0() {
	Image img = GenImageColor(800,600, BLANK);
	Color fillColor=WHITE;
	Color color=BLACK;
	ImageFillRoundRectEx(&img,337, 131, 63, 74, 28, 28, fillColor);			// 右眼
	ImageFillRoundRectEx(&img,400, 131, 63, 74, 28, 28, fillColor);			// 左眼
	ImageDrawRoundRectEx(&img,337, 131, 63, 74, 28, 28,1, color);			
	ImageDrawRoundRectEx(&img,400, 131, 63, 74, 28, 28,1, color);	
	
	fillColor = BLACK;
	ImageFillCircleEx(&img,384,184,6, fillColor);							// 右眼球
	ImageFillCircleEx(&img,416,184,6, fillColor);							// 左眼球
	fillColor = (Color){201, 62, 0, 255};						// 鼻子
	ImageFillCircleEx(&img, 400, 208, 15, fillColor);
	return img;
}

Image genShrinkImage1() {
	Image img = GenImageColor(800,600, BLANK);
	Color fillColor=WHITE;
	Color color=BLACK;
	ImageFillRoundRectEx(&img,337, 131, 63, 74, 28, 28, fillColor);			// 右眼
	ImageFillRoundRectEx(&img,400, 131, 63, 74, 28, 28, fillColor);			// 左眼
	ImageDrawRoundRectEx(&img,337, 150, 63, 37, 28, 28, 1, color);
	ImageDrawRoundRectEx(&img,400, 150, 63, 37, 28, 28, 1, color);
	
	ImageFillRectangleEx(&img,337,168,63,19,fillColor);
	ImageFillRectangleEx(&img,400,168,63,19,fillColor);
	
	ImageDrawRoundRectEx(&img,337, 131, 63, 74, 28, 28,1, color);			
	ImageDrawRoundRectEx(&img,400, 131, 63, 74, 28, 28,1, color);	
	
	fillColor = BLACK;
	ImageFillCircleEx(&img,384,184,6, fillColor);							// 右眼球
	ImageFillCircleEx(&img,416,184,6, fillColor);							// 左眼球
	fillColor = (Color){201, 62, 0, 255};						// 鼻子
	ImageFillCircleEx(&img, 400, 208, 15, fillColor);
	return img;
}

Image genShrinkImage2() {
	Image img=GenImageColor(800,600,BLANK);
	Color fillColor=WHITE;
	Color color=BLACK;
	ImageFillRoundRectEx(&img,337, 131, 63, 74, 28, 28, fillColor);			// 右眼
	ImageFillRoundRectEx(&img,400, 131, 63, 74, 28, 28, fillColor);			// 左眼
	
	ImageDrawLineEx(&img,337,168,399,168,1,color);
	ImageDrawLineEx(&img,400,168,462,168,1,color);
	
	ImageDrawRoundRectEx(&img,337, 131, 63, 74, 28, 28,1, color);			
	ImageDrawRoundRectEx(&img,400, 131, 63, 74, 28, 28,1, color);
	fillColor = (Color){201, 62, 0, 255};						// 鼻子
	ImageFillCircleEx(&img, 400, 208, 15, fillColor);
	return img;
}

Image genShrinkImage3(){
	Image img=GenImageColor(800,600,BLANK);
	Color fillColor=WHITE;
	Color color=BLACK;
	ImageFillRoundRectEx(&img,337, 131, 63, 74, 28, 28, fillColor);			// 右眼
	ImageFillRoundRectEx(&img,400, 131, 63, 74, 28, 28, fillColor);			// 左眼
	ImageDrawRoundRectEx(&img,337, 150, 63, 37, 28, 28, 1, color);
	ImageDrawRoundRectEx(&img,400, 150, 63, 37, 28, 28, 1, color);
	
	ImageFillRectangleEx(&img,337,150,63,19,fillColor);
	ImageFillRectangleEx(&img,400,150,63,19,fillColor);
	
	ImageDrawRoundRectEx(&img,337, 131, 63, 74, 28, 28,1, color);			
	ImageDrawRoundRectEx(&img,400, 131, 63, 74, 28, 28,1, color);
	fillColor = (Color){201, 62, 0, 255};						// 鼻子
	ImageFillCircleEx(&img, 400, 208, 15, fillColor);
	return img;
}

Image genShrinkImage4() {
	Image img=GenImageColor(800,600,BLANK);
	Color fillColor=WHITE;
	Color color=BLACK;
	ImageFillRoundRectEx(&img,337, 131, 63, 74, 28, 28, fillColor);			// 右眼
	ImageFillRoundRectEx(&img,400, 131, 63, 74, 28, 28, fillColor);			// 左眼
	
	ImageDrawRoundRectEx(&img,337, 131, 63, 74, 28, 28,1, color);			
	ImageDrawRoundRectEx(&img,400, 131, 63, 74, 28, 28,1, color);	
	fillColor = (Color){201, 62, 0, 255};						// 鼻子
	ImageFillCircleEx(&img, 400, 208, 15, fillColor);
	return img;
}