#include "type.h"
#include "scene.h"
-double get_frame_ratio(itop_type* pit)
-{
- unsigned int cur_time = SDL_GetTicks();
- double frame_ratio = (float)(cur_time-*pit->updated)/(float)(FRAME_RATE);
- *pit->updated = cur_time;
- return frame_ratio;
-}
-
-void timer_init(timer_type* ptimer)
-{
- ptimer->period = 0;
- ptimer->time = 0;
-}
-
-void timer_start(timer_type* ptimer, unsigned int period)
-{
- ptimer->time = SDL_GetTicks();
- ptimer->period = period;
-}
-
-void timer_stop(timer_type* ptimer)
-{
- timer_init(ptimer);
-}
-
-int timer_check(timer_type* ptimer)
-{
- if(ptimer->time != 0 && ptimer->time + ptimer->period > SDL_GetTicks())
- return YES;
- else
- {
- ptimer->time = 0;
- return NO;
- }
-}
-
-int timer_started(timer_type* ptimer)
-{
- if(ptimer->time != 0)
- return YES;
- else
- return NO;
-}
-
-int timer_get_left(timer_type* ptimer)
-{
- return (ptimer->period - (SDL_GetTicks() - ptimer->time));
-}
-
-int timer_get_gone(timer_type* ptimer)
-{
- return (SDL_GetTicks() - ptimer->time);
-}
-
-void texture_load(texture_type* ptexture, char * file, int use_alpha)
-{
- SDL_Surface * temp;
-
- temp = IMG_Load(file);
-
- if (temp == NULL)
- st_abort("Can't load", file);
-
- ptexture->sdl_surface = SDL_DisplayFormatAlpha(temp);
-
- if (ptexture->sdl_surface == NULL)
- st_abort("Can't covert to display format", file);
-
- if (use_alpha == IGNORE_ALPHA)
- SDL_SetAlpha(ptexture->sdl_surface, 0, 0);
-
- SDL_FreeSurface(temp);
-
- ptexture->w = ptexture->sdl_surface->w;
- ptexture->h = ptexture->sdl_surface->h;
-
- if(use_gl)
- {
- create_gl_texture(ptexture->sdl_surface,&ptexture->gl_texture);
- }
-}
-
-void texture_from_sdl_surface(texture_type* ptexture, SDL_Surface* sdl_surf, int use_alpha)
-{
- /* SDL_Surface * temp;
-
- temp = IMG_Load(file);
-
- if (temp == NULL)
- st_abort("Can't load", file);*/
-
- ptexture->sdl_surface = SDL_DisplayFormatAlpha(sdl_surf);
-
- if (ptexture->sdl_surface == NULL)
- st_abort("Can't covert to display format", "SURFACE");
-
- if (use_alpha == IGNORE_ALPHA)
- SDL_SetAlpha(ptexture->sdl_surface, 0, 0);
-
- ptexture->w = ptexture->sdl_surface->w;
- ptexture->h = ptexture->sdl_surface->h;
-
- if(use_gl)
- {
- create_gl_texture(ptexture->sdl_surface,&ptexture->gl_texture);
- }
-}
-
-void texture_draw(texture_type* ptexture, float x, float y, int update)
-{
- if(use_gl)
- {
- glColor4ub(255, 255, 255,255);
- glBlendFunc (GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
- glEnable (GL_BLEND);
- glBindTexture(GL_TEXTURE_RECTANGLE_NV, ptexture->gl_texture);
-
- glBegin(GL_QUADS);
- glTexCoord2f(0, 0);
- glVertex2f(x, y);
- glTexCoord2f((float)ptexture->w, 0);
- glVertex2f((float)ptexture->w+x, y);
- glTexCoord2f((float)ptexture->w, (float)ptexture->h);
- glVertex2f((float)ptexture->w+x, (float)ptexture->h+y);
- glTexCoord2f(0, (float)ptexture->h);
- glVertex2f(x, (float)ptexture->h+y);
- glEnd();
- }
- else
- {
- SDL_Rect dest;
-
- dest.x = x;
- dest.y = y;
- dest.w = ptexture->w;
- dest.h = ptexture->h;
-
- SDL_BlitSurface(ptexture->sdl_surface, NULL, screen, &dest);
-
- if (update == UPDATE)
- SDL_UpdateRect(screen, dest.x, dest.y, dest.w, dest.h);
- }
-}
-
-void texture_draw_bg(texture_type* ptexture, int update)
-{
-if(use_gl)
-{
- //glColor3ub(255, 255, 255);
-
- glEnable(GL_TEXTURE_RECTANGLE_NV);
- glBindTexture(GL_TEXTURE_RECTANGLE_NV, ptexture->gl_texture);
-
- glBegin(GL_QUADS);
- glTexCoord2f(0, 0); glVertex2f(0, 0);
- glTexCoord2f((float)ptexture->w, 0); glVertex2f(screen->w, 0);
- glTexCoord2f((float)ptexture->w, (float)ptexture->h); glVertex2f(screen->w, screen->h);
- glTexCoord2f(0, (float)ptexture->h); glVertex2f(0, screen->h);
- glEnd();
-
-}
-else
-{
- SDL_Rect dest;
-
- dest.x = 0;
- dest.y = 0;
- dest.w = screen->w;
- dest.h = screen->h;
-
- SDL_BlitSurface(ptexture->sdl_surface, NULL, screen, &dest);
-
- if (update == UPDATE)
- SDL_UpdateRect(screen, dest.x, dest.y, dest.w, dest.h);
-}
-}
-
-void texture_draw_part(texture_type* ptexture, float x, float y, float w, float h, int update)
-{
- if(use_gl)
- {
- glColor3ub(255, 255, 255);
-
- glEnable(GL_TEXTURE_RECTANGLE_NV);
- glBindTexture(GL_TEXTURE_RECTANGLE_NV, ptexture->gl_texture);
-
- glBegin(GL_QUADS);
- glTexCoord2f(x, y);
- glVertex2f(x, y);
- glTexCoord2f(x+w, y);
- glVertex2f(w+x, y);
- glTexCoord2f(x+w, y+h);
- glVertex2f(w+x, h+y);
- glTexCoord2f(x, y+h);
- glVertex2f(x, h+y);
- glEnd();
- }
- else
- {
- SDL_Rect src, dest;
-
- src.x = x;
- src.y = y;
- src.w = w;
- src.h = h;
-
- dest.x = x;
- dest.y = y;
- dest.w = w;
- dest.h = h;
-
-
- SDL_BlitSurface(ptexture->sdl_surface, &src, screen, &dest);
-
- if (update == UPDATE)
- update_rect(screen, dest.x, dest.y, dest.w, dest.h);
- }
-}
-
-void texture_free(texture_type* ptexture)
-{
- SDL_FreeSurface(ptexture->sdl_surface);
- if(use_gl)
- glDeleteTextures(1, &ptexture->gl_texture);
-}