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/movie.h

@@ -0,0 +1,59 @@
+#pragma once
+
+typedef enum
+{
+    M_ANIM,
+    M_PIC,
+    M_SEE_THRU
+}FRAMETYPE;
+
+typedef enum
+{
+    M_NORM,
+    M_FADEIN,
+    M_FADEOUT,
+    M_PALETTE,
+    M_ERASE
+}FRAMEOPT;
+
+typedef enum
+{
+    S_PLAY,
+    S_FADEIN,
+    S_FADEOUT,
+    S_STOP
+}SONGOPTS;
+
+typedef struct 
+{
+    unsigned short opt;
+    unsigned short fill;
+    unsigned short offset;
+    unsigned short length;
+}ANIMLINE;
+
+typedef struct
+{
+    int opt;                   // TYPE OF DRAWING REQUIRED
+    int framerate;             // FRAME RATE OF UPDATE
+    int numframes;             // NUMBER OF FRAMES LEFT
+    int item;                  // ITEM # OF PICTURE
+    int startf;                // START FRAME OPTS
+    int startsteps;            // # OF STEPS IF FADEIN
+    int endf;                  // END FRAME OPTS
+    int endsteps;              // # OF STEPS IN FADEOUT
+    int red;                   // RED VAL FOR FADEOUT
+    int green;                 // GREEN VAL FOR FADEOUT
+    int blue;                  // BLUE VAL FOR FADEOUT
+    int holdframe;             // NUMBER OF TICS TO HOLD FRAME
+    int songid;                // SONG ID TO PLAY
+    int songopt;               // SONG OPTS
+    int songstep;              // SONG STEPS FOR FADES
+    int soundfx;               // SOUND FX START
+    int fx_vol;                // SOUND FX VOLUME
+    int fx_xpos;               // SOUND FX XPOS
+}FRAME;
+
+void ANIM_Render(ANIMLINE *inmem);
+void MOVIE_BPatch(int soundfx);
+int MOVIE_Play(FRAME *frame, int numplay, char *palette);