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/anims.h

@@ -0,0 +1,83 @@
+#pragma once
+
+#include "enemy.h"
+
+typedef enum
+{
+    A_NORM,
+    A_MOVEUP,
+    A_MOVEDOWN
+}ANIM_DIR;
+
+typedef enum
+{
+    GROUND,
+    MID_AIR,
+    HIGH_AIR
+}GFLAG;
+
+typedef struct ANIMLIB_S
+{
+    int item;
+    int numframes;
+    int groundflag;
+    int playerflag;
+    int transparent;
+    int adir;
+    int xoff;
+    int yoff;
+}ANIMLIB;
+
+typedef struct ANIMS_S
+{
+    struct ANIMS_S *prev;
+    struct ANIMS_S *next;
+    int item;
+    int dx;
+    int dy;
+    int x;
+    int y;
+    int curframe;
+    ANIMLIB *lib;
+    int groundflag;
+    SPRITE_SHIP *en;
+    int edone;
+}ANIMS;
+
+#define A_LARGE_GROUND_EXPLO1  0
+#define A_SMALL_GROUND_EXPLO   1
+#define A_PERSON               2
+#define A_PLATOON              3
+
+#define A_LARGE_AIR_EXPLO      4
+#define A_MED_AIR_EXPLO        5
+#define A_SMALL_AIR_EXPLO      6
+#define A_MED_AIR_EXPLO2       7
+#define A_ENERGY_AIR_EXPLO     8
+#define A_LASER_BLAST          9
+
+#define A_SMALL_SMOKE          10
+#define A_SMALL_SMOKE_DOWN     11
+#define A_SMALL_SMOKE_UP       12
+#define A_ENERGY_GRAB_HIT      13
+#define A_BLUE_SPARK           14
+#define A_ORANGE_SPARK         15
+#define A_PLAYER_SHOOT         16
+#define A_GROUND_FLARE         17
+#define A_GROUND_SPARKLE       18
+#define A_ENERGY_GRAB          19
+#define A_SUPER_SHIELD         20
+
+void ANIMS_Clear(void);
+ANIMS *ANIMS_Remove(ANIMS *anim);
+void ANIMS_Init(void);
+void ANIMS_CachePics(void);
+void ANIMS_FreePics(void);
+void ANIMS_StartAnim(int handle, int x, int y);
+void ANIMS_StartGAnim(int handle, int x, int y);
+void ANIMS_StartEAnim(SPRITE_SHIP *en, int handle, int x, int y);
+void ANIMS_StartAAnim(int handle, int x, int y);
+void ANIMS_Think(void);
+void ANIMS_DisplayGround(void);
+void ANIMS_DisplaySky(void);
+void ANIMS_DisplayHigh(void);