Vendor raptor source files (was embedded gitlink)

Tree vendored at upstream 0019c5dd; origin + license recorded in
raptor/VENDOR.txt. Windows SDL dev packages excluded via .gitignore.

raptor/src/tile.h

@@ -0,0 +1,42 @@
+#pragma once
+
+extern char *tilepic;
+extern char *tilestart;
+extern int tileloopy;
+extern int tileyoff;
+extern int tilepos;
+extern int scroll_flag;
+
+typedef struct 
+{
+    int item;
+    int x;
+    int y;
+    int mapspot;
+}TILESPOT;
+
+typedef struct TDELAY_S
+{
+    struct TDELAY_S *prev;
+    struct TDELAY_S *next;
+    int frames;
+    int mapspot;
+    int item;
+    TILESPOT *ts;
+}TILEDELAY;
+
+void TILE_Init(void);
+void TILE_Think(void);
+void TILE_Display(void);
+int TILE_IsHit(int damage, int x, int y);
+int TILE_Bomb(int damage, int x, int y);
+void TILE_Explode(TILESPOT *ts, int delay);
+void TILE_DamageAll(void);
+void TILE_CacheLevel(void);
+void TILE_FreeLevel(void);
+
+void TILE_Draw(void);
+void TILE_ClipDraw(void);
+void TILE_ShakeScreen(void);
+void TILE_DisplayScreen(void);
+