proof of concept for tile based stuff (performance test).

Fixed 10x10 grid, so panning of 10x10 view around a real map yet.

!TheEsc/Makefile,fe1

@@ -64,3 +64,6 @@ o.Mission1:	c.Mission1
 o.Mission1:	h.Graphics
 o.Mission2:	c.Mission2
 o.Mission2:	h.Graphics
+o.Mission2:	C:h.swis
+o.Mission2:	C:h.kernel
+o.Mission2:	C:h.kernel

!TheEsc/c/CTheEscape

@@ -16,6 +16,8 @@ _kernel_swi_regs outreg;
 // Sprite buffer
 unsigned char *buffer;
 unsigned char *fontbuffer;
+unsigned char *tilebuffer;
+
 extern int screen;
 extern struct CompositionElement composition[128];
 extern int current_element;
@@ -50,8 +52,8 @@ int main(int argc, char *argv[])
   screen_clear();
 
   // Load sprite library
-  load_sprites("Spr");
+  load_sprites("Spr",&buffer);
-  load_font("Font");
+  load_sprites("Font",&fontbuffer);
 
 #ifndef SKIP_INTRO
   // Intro titles + music
@@ -84,13 +86,15 @@ int main(int argc, char *argv[])
 #ifndef SKIP_MISSION2
   lastoutcome = 1;
 
+  load_sprites("Tiles",&tilebuffer);
+
   // Mission 2
   while(lastoutcome == 1)
   {
     outcome = 0;
     game2_briefing();
     screen_clear();
-    //game2_setup();
+    game2_setup();
     while(!outcome)
     {
       outcome = game2_tick();

!TheEsc/c/Graphics

@@ -8,10 +8,12 @@ extern _kernel_swi_regs outreg;
 
 extern unsigned char *buffer;
 extern unsigned char *fontbuffer;
+extern unsigned char *tilebuffer;
+
 int screen = 1;
 
 // Loads sprite file into buffer
-void load_sprites(char* filename)
+void load_sprites(char* filename, unsigned char **buffername)
 {
   int length;
 
@@ -38,74 +40,24 @@ void load_sprites(char* filename)
   }
 
   // Attempt malloc, die if we cant
-  buffer = (unsigned char *) malloc(length + 4);
+  *buffername = (unsigned char *) malloc(length + 4);
 
-  if(buffer==NULL)
+  if(buffername==NULL)
   {
     printf("Couldn't malloc %i bytes for sprite buffer",length);
     exit(0);
   }
 
   // Store size and other info as required for SpriteOp 9 to init sprite area
-  *(unsigned int *)buffer = length + 4;
+  *(unsigned int *)*buffername = length + 4;
-  *(unsigned int *)(buffer + 4) = 16;
+  *(unsigned int *)(*buffername + 4) = 16;
   inreg.r[0] = 256+9;
-  inreg.r[1] = (unsigned int) buffer;
+  inreg.r[1] = (unsigned int) *buffername;
   _kernel_swi(OS_SpriteOp,&inreg,&outreg);
 
   // Load sprite file into buffer
   inreg.r[0] = 256+10;
-  inreg.r[1] = (int) buffer;
+  inreg.r[1] = (int) *buffername;
-  inreg.r[2] = (int) filename;
-  _kernel_swi(OS_SpriteOp,&inreg,&outreg);
-}
-
-// Loads sprite file into buffer
-void load_font(char* filename)
-{
-  int length;
-
-  // Attempt to get file info
-  inreg.r[0] = 13;
-  inreg.r[1] = (int) filename;
-  _kernel_swi(OS_File,&inreg,&outreg);
-
-  // Length will be in R4 if it exists
-  length = outreg.r[4];
-
-  // If it's <1 it's fil not found
-  if(outreg.r[0] < 1)
-  {         
-    printf("Sprite file %s not found",filename);
-    exit(0);
-  }
-
-  // Stops us trying to mallocsomething mad if file is too big.
-  if(length > 200000)
-  {         
-    printf("Sprite file %s seems unreasonably large at %i bytes",filename, length);
-    exit(0);
-  }
-
-  // Attempt malloc, die if we cant
-  fontbuffer = (unsigned char *) malloc(length + 4);
-
-  if(fontbuffer==NULL)
-  {
-    printf("Couldn't malloc %i bytes for sprite buffer",length);
-    exit(0);
-  }
-
-  // Store size and other info as required for SpriteOp 9 to init sprite area
-  *(unsigned int *)fontbuffer = length + 4;
-  *(unsigned int *)(fontbuffer + 4) = 16;
-  inreg.r[0] = 256+9;
-  inreg.r[1] = (unsigned int) fontbuffer;
-  _kernel_swi(OS_SpriteOp,&inreg,&outreg);
-
-  // Load sprite file into buffer
-  inreg.r[0] = 256+10;
-  inreg.r[1] = (int) fontbuffer;
   inreg.r[2] = (int) filename;
   _kernel_swi(OS_SpriteOp,&inreg,&outreg);
 }
@@ -190,10 +142,21 @@ void draw_letter(char* spritename,int x, int y)
   inreg.r[2] = (int) spritename;
   inreg.r[3] = x;
   inreg.r[4] = y;
-  inreg.r[5] = 8; // GCOL dest=source and sprite mask
+  inreg.r[5] = 8;
   _kernel_swi(OS_SpriteOp,&inreg,&outreg);
 }
 
+void draw_tile(char* spritename,int x, int y)
+{
+  // SpriteOp 34 to put sprite at a location
+  inreg.r[0] = 256+34;
+  inreg.r[1] = (int) tilebuffer;
+  inreg.r[2] = (int) spritename;
+  inreg.r[3] = x;
+  inreg.r[4] = y;
+  inreg.r[5] = 0;
+  _kernel_swi(OS_SpriteOp,&inreg,&outreg);
+}
 
 void draw_spritetext(char* text, int x, int y)
 {
@@ -214,9 +177,9 @@ void draw_spritetext(char* text, int x, int y)
     {
       case 't':
       case 'i':
-      case 'y':
       case '.':
       case ',':
+      case 'y':
         currentx += 12 + 4;
         break;
       case '\'':
@@ -318,6 +281,23 @@ void screen_flipbuffer()
   
 }
 
+void screen_nobuffer()
+{
+   // Hardware
+   inreg.r[0] = 113;
+   inreg.r[1] = 1;
+  _kernel_swi(OS_Byte,&inreg,&outreg);
+
+  // Drivers
+  inreg.r[0] = 112;
+  inreg.r[1] = 1;
+  _kernel_swi(OS_Byte,&inreg,&outreg);
+
+  inreg.r[0] = 19;
+  _kernel_swi(OS_Byte,&inreg,&outreg);
+  
+}
+
 void screen_clear()
 {
     inreg.r[0] = 12;

!TheEsc/c/Mission1

@@ -1006,7 +1006,7 @@ void game1_victory()
   screen_clear();
 
   draw_spritetext(
-"~~~~~~~~{ chief engineers log - uss archimedes - stardate 1234567890 ==}\n\n\nour shuttlepod has been rescued by the uss archimedes - but our \njob here isn't done. the archimedes is now under attack from the \ndurnovarians, and recoverying the shuttle has come at a cost. \nSeveral major systems are now offline.\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n~~~~~~~~{======================~~~~~~~~===========================}"
+"~~~~~~~~{ chief engineers log - uss archimedes - stardate 1234567890 ==}\n\n\nour shuttlepod has been rescued by the uss archimedes - but our \njob here isn't done. the archimedes is now under attack from the \ndurnovarians, and recoverying the shuttle has come at a cost. \nseveral major systems are now offline.\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n~~~~~~~~{======================~~~~~~~~===========================}"
 , 50, 950);
 
   draw_sprite("spacebar",(DISPLAY_X/2)-106,50);
@@ -1060,7 +1060,7 @@ int game1_tick()
     PROFILE(game_draw_player());
     PROFILE(game_draw_npcs());
     PROFILE(game_draw_projectiles());
-    game_draw_comms("Shuttlepod Phoebe - this is the USS Archimedes.\nPower down your engines and stand by for\nimmediate tractor beam recovery.");
+    game_draw_comms("shuttlepod phoebe - this is the USS Archimedes.\npower down your engines and stand by for\nimmediate tractor beam recovery.");
     return 0;
   }
   else if(Player.integrity > 0)

!TheEsc/c/Mission2

@@ -1,10 +1,60 @@
 #include "Graphics.h"
-
+#include "swis.h"
-//#defene PROFILE(X) lastprofile = clock(); X; printf("\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t%s %i\n", #X, (clock() - lastprofile))
+#include <kernel.h>
-#define PROFILE(X) X
 
 extern int tick;
 extern int lasttick;
+extern int screen;
+
+extern _kernel_swi_regs inreg;
+extern _kernel_swi_regs outreg;
+
+
+#define TILESX 10
+#define TILESY 10
+
+// map[0] is the 'master', [1] and [2] represents what is currently
+// believed to be displayed in the corresponding (+1) screen buffer
+// and we run a compare to see if re-drawing is needed. 0xFF is used
+// for a re-draw being required (so it's set on the tile under the player
+unsigned char map[3][TILESX][TILESY];
+
+char tilenamebuffer[4];
+char textbuffer[63];
+
+struct EntityLocation_s {
+  short signed int X,Y;
+};
+
+struct TilePlayer_s {
+  struct EntityLocation_s location;
+  struct EntityLocation_s hitbox_bl;
+  struct EntityLocation_s hitbox_tr;
+};
+
+struct TilePlayer_s TilePlayer;
+
+void game2_loadmap(char* filename)
+{
+  int length;
+
+  // Attempt to get file info
+  inreg.r[0] = 13;
+  inreg.r[1] = (int) filename;
+  _kernel_swi(OS_File,&inreg,&outreg);
+
+  // Length will be in R4 if it exists
+  length = outreg.r[4];
+
+  // Attempt to get file info
+  inreg.r[0] = 16;
+  inreg.r[1] = (int) filename;
+  inreg.r[2] = (int) map[0];
+  inreg.r[3] = 0;
+
+  _kernel_swi(OS_File,&inreg,&outreg);
+ 
+}
 
 void game2_death()
 {
@@ -77,7 +127,7 @@ void game2_briefing()
   screen_clear();
 
   draw_spritetext(
-"~~~~~~~~{ chief engineers log - uss archimedes - stardate 1234567890 ==}\n\n\nYour mission is to be dead until I make mission 2. \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n~~~~~~~~{======================~~~~~~~~===========================}"
+"~~~~~~~~{ chief engineers log - uss archimedes - stardate 1234567890 ==}\n\n\nyour mission is to be dead until i make mission 2. \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n~~~~~~~~{======================~~~~~~~~===========================}"
 , 50, 950);
 
   draw_sprite("spacebar",(DISPLAY_X/2)-106,50);
@@ -95,23 +145,112 @@ void game2_briefing()
   }
 }
 
+void game2_setup()
+{
+  screen_flipbuffer();
+  screen_clear();
+  screen_flipbuffer();
+  screen_clear();
+  TilePlayer.location.X = 0;
+  TilePlayer.location.Y = 0;
+  TilePlayer.hitbox_bl.X = 0;
+  TilePlayer.hitbox_bl.Y = 0;
+  TilePlayer.hitbox_tr.X = 60;
+  TilePlayer.hitbox_tr.Y = 50;
+  game2_loadmap("map");
+}
+
+void game2_tick_input()
+{
+  int x,y;
+  // Up arrow
+  if(input_readkey(57))
+  {
+    TilePlayer.location.Y += 1 * (tick - lasttick);
+  }
+
+  // Down arrow
+  if(input_readkey(41))
+  {
+    TilePlayer.location.Y -= 1 * (tick - lasttick);
+  }
+  
+  // Right arrow
+  if(input_readkey(121))
+  {
+    TilePlayer.location.X += 1 * (tick - lasttick);
+  }
+
+  // Left arrow
+  if(input_readkey(25))
+  {
+    TilePlayer.location.X -= 1 * (tick - lasttick);
+  }
+
+  // Q
+  if(input_readkey(16))
+  {
+    for(x = 0; x < TILESX; x++)
+    {
+      for(y = 0; y < TILESY; y++)
+      {
+        map[0][x][y] = 1;
+      }
+    }
+  }
+}
+
 int game2_tick()
 {
+  int x;
+  int y;
+  int udt = 0;
   lasttick = tick;
   tick = clock();
 
   screen_flipbuffer();
-  screen_clear();
 
-  if(0)
+  if(1)
   {
+    for(x = 0; x < TILESX; x++)
+    {
+      for(y = 0; y < TILESY; y++)
+      {
+        if(game_hitbox_collide(
+        (TilePlayer.location.X + TilePlayer.hitbox_bl.X),(TilePlayer.location.Y + TilePlayer.hitbox_bl.Y),
+        (TilePlayer.hitbox_tr.X - TilePlayer.hitbox_bl.X),(TilePlayer.hitbox_tr.Y - TilePlayer.hitbox_bl.Y),
+        x*100,y*100,
+        100,100
+        ))
+        {
+          map[1][x][y] = 255;
+          map[2][x][y] = 255;
+        }
+
+        if(map[0][x][y] ^ map[screen+1][x][y])
+        {
+          map[screen+1][x][y] = map[0][x][y];
+          sprintf(tilenamebuffer,"%i",map[screen+1][x][y]);
+          draw_tile(tilenamebuffer,x*100,y*100);
+          udt++;
+        }
+      }
+
+      //draw_sprite("lcarsblack",1000,DISPLAY_Y-164);
+
+      //sprintf(textbuffer,"CPF: %i\nUDT: %i",(tick-lasttick), udt);
+      //draw_spritetext(textbuffer, 1070, 950);
+    }
+
+    game2_tick_input();
+
+    draw_sprite("man",TilePlayer.location.X,TilePlayer.location.Y);
+
     return 0;
   }else{
-    screen_flipbuffer();
+/*    screen_flipbuffer();
     screen_clear();
     game2_death();
-    return 1;
+    return 1;*/
   }
-  
-
 }