src/title.c

   1 /*
   2  * This program is free software: you can redistribute it and/or modify
   3  * it under the terms of the GNU General Public License as published by
   4  * the Free Software Foundation, either version 3 of the License, or
   5  * (at your option) any later version.
   6  *
   7  * This program is distributed in the hope that it will be useful,
   8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  * GNU General Public License for more details.
  11  *
  12  * You should have received a copy of the GNU General Public License
  13  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  14  */
  15 #include <stdio.h>
  16 #include <stdlib.h>
  17 #include <string.h>
  18
  19 #include "title.h"
  20
  21 #include "resfile.h"
  22 #include "video.h"
  23 #include "mainloop.h"
  24 #include "vm.h"
  25 #include "gameglobals.h"
  26 #include "game.h"
  27
  28
  29 static void scrDrawCrashMask (SDL_Surface *frame, int phase) {
  30   if (phase <= 0) {
  31     SDL_Rect dst;
  32     //
  33     dst.x = 0;
  34     dst.y = 0;
  35     dst.w = frame->w;
  36     dst.h = frame->h;
  37     SDL_FillRect(frame, &dst, palette[0]);
  38   } else if (phase < 5) {
  39     for (int y = 0; y < 20; ++y) {
  40       for (int x = 0; x < 16; ++x) {
  41         blitSurface2x(frame, x*20, y*10, banks[CONST_BANK_FG_TILES].spr[16-phase][0]);
  42       }
  43     }
  44   }
  45 }
  46
  47
  48 static void frmTitleDraw (SDL_Surface *frame) {
  49   blitSurface(frame, 0, 0, backs[0]);
  50   scrDrawCrashMask(frame, vmGVars[GVAR_TITLE_PHASE]);
  51 }
  52
  53
  54 static void frmTitleKey (SDL_KeyboardEvent *key) {
  55   if (key->type == SDL_KEYDOWN) {
  56     switch (key->keysym.sym) {
  57       case SDLK_ESCAPE:
  58       case SDLK_F12:
  59         vmGVars[GVAR_KEY_QUIT] = 1;
  60         break;
  61       case SDLK_SPACE:
  62       case SDLK_RETURN:
  63         vmGVars[GVAR_KEY_START] = 1;
  64         break;
  65       default: ;
  66     }
  67   }
  68 }
  69
  70
  71 void setMainLoopTitle (void) {
  72   frameCB = frmTitleDraw;
  73   keyCB = frmTitleKey;
  74   gameRSTCB = NULL;
  75   beforeVMCB = NULL;
  76   vmMapGetCB = NULL;
  77   vmMapSetCB = NULL;
  78   vmPaused = 0;
  79 }