Create pattern_map_generator.c

ProcGen/pattern_map_generator.c

@@ -0,0 +1,183 @@
+//
+// Pattern map generator.
+//
+
+#define MAX_POINT 124
+
+#include "raylib.h"
+#include <math.h>
+
+enum flag{UP,DOWN,LEFT,RIGHT};
+
+static int mapWidth=80;
+static int mapHeight=80;
+static float tileWidth;
+static float tileHeight;
+static int map[200][200];
+
+typedef struct point{
+    bool active;
+    Vector2 position;
+}point;
+
+static point arr_point[MAX_POINT];
+
+static void generate(void);
+
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+    tileWidth = abs((float)screenWidth/(float)mapWidth);
+    tileHeight = abs((float)screenHeight/(float)mapHeight);
+
+    InitWindow(screenWidth, screenHeight, "raylib example.");
+
+    generate();
+ 
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------+------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        
+        if(IsKeyReleased(KEY_SPACE))generate();
+        
+        //----------------------------------------------------------------------------------
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+            // Draw the map
+            for(int y=0;y<mapHeight;y++){
+            for(int x=0;x<mapWidth;x++){
+                if(map[x][y]==1){
+                    DrawRectangle(x*tileWidth,y*tileHeight,tileWidth,tileHeight,BLACK);
+                }
+                if(map[x][y]==2){
+                    DrawRectangle(x*tileWidth,y*tileHeight,tileWidth,tileHeight,RED);
+                }
+
+            }}
+            
+            DrawText("Press Space..",0,0,20,DARKGRAY);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+
+
+}
+
+void generate(){
+    static int script[100];//= {RIGHT,RIGHT,DOWN,RIGHT,DOWN,DOWN,LEFT,LEFT,LEFT,UP,UP,UP};
+    for(int i=0;i<100;i++){
+        script[i]=GetRandomValue(0,3);
+    }
+    int dunlen=GetRandomValue(11,30);
+    for(int i=0;i<MAX_POINT;i++){
+        arr_point[i].active=false;
+    }
+    for(int y=0;y<mapHeight;y++){
+    for(int x=0;x<mapWidth;x++){
+        map[x][y]=0;
+    }}
+    
+    int num=0;
+    int x=mapWidth/2;
+    int y=mapHeight/2;
+    arr_point[num].active = true;
+    arr_point[num].position = (Vector2){x,y};
+    map[x][y]=1;
+    for(int i=0;i<dunlen;i++){
+        switch (script[i]){
+            case RIGHT:
+                x+=7;
+                if(x>mapWidth-5)x-=7;
+            break;
+            case LEFT:
+                x-=7;
+                if(x<5)x+=7;
+            break;
+            case UP:
+                y-=7;
+                if(y<5)y+=7;
+            break;
+            case DOWN:
+                y+=7;
+                if(y<mapHeight-5)y-=7;
+            break;
+        }
+        num++;
+        map[x][y] = 1;
+        arr_point[num].active = true;
+        arr_point[num].position.x = x;
+        arr_point[num].position.y = y;
+    }
+    for(int i=0;i<dunlen;i++){
+        if(arr_point[i].active==false)continue;
+        int x=arr_point[i].position.x;
+        int y=arr_point[i].position.y;
+        int offx=-2;
+        int offy=-2;
+        int w=GetRandomValue(4,6);
+        int h=GetRandomValue(4,6);
+        for(int y2=y+offy;y2<y+offy+h;y2++){
+        for(int x2=x+offx;x2<x+offx+w;x2++){
+            if(x2<0 || y2<0 || x2>mapWidth-1 || y2>mapHeight-1)continue;
+            map[x2][y2]=1;
+        }}
+    }
+    for(int i=0;i<dunlen-1;i++){
+        int x1 = arr_point[i].position.x;
+        int y1 = arr_point[i].position.y;
+        int x2 = arr_point[i+1].position.x;
+        int y2 = arr_point[i+1].position.y;
+        //if(i==11){
+        //    x2 = arr_point[0].position.x;
+        //    y2 = arr_point[0].position.y;
+        //}
+        if(x2>x1){
+            while(x1<x2){
+                x1++;
+                if(x1<0 || y1<0 || x1>mapWidth-1 || y1>mapHeight-1)continue;
+                map[x1][y1]=2;
+            }
+        }
+        if(x1>x2){
+            while(x1>x2){
+                x1--;
+                if(x1<0 || y1<0 || x1>mapWidth-1 || y1>mapHeight-1)continue;
+                map[x1][y1]=2;
+            }
+        
+        }
+        if(y2>y1){
+            while(y1<y2){
+                y1++;
+                if(x1<0 || y1<0 || x1>mapWidth-1 || y1>mapHeight-1)continue;
+                map[x1][y1]=2;
+            }
+        }
+        if(y1>y2){
+            while(y1>y2){
+                y1--;
+                if(x1<0 || y1<0 || x1>mapWidth-1 || y1>mapHeight-1)continue;
+                map[x1][y1]=2;
+            }
+        }
+    }
+ }