ui_shared.c

quakeIII源码这个不用我多说吧

    return qtrue;
}

/*
=================
PC_Script_Parse
=================
*/
qboolean PC_Script_Parse(int handle, const char **out) {
	char script[1024];
	pc_token_t token;

	memset(script, 0, sizeof(script));
	// scripts start with { and have ; separated command lists.. commands are command, arg.. 
	// basically we want everything between the { } as it will be interpreted at run time
  
	if (!trap_PC_ReadToken(handle, &token))
		return qfalse;
	if (Q_stricmp(token.string, "{") != 0) {
	    return qfalse;
	}

	while ( 1 ) {
		if (!trap_PC_ReadToken(handle, &token))
			return qfalse;

		if (Q_stricmp(token.string, "}") == 0) {
			*out = String_Alloc(script);
			return qtrue;
		}

		if (token.string[1] != '\0') {
			Q_strcat(script, 1024, va("\"%s\"", token.string));
		} else {
			Q_strcat(script, 1024, token.string);
		}
		Q_strcat(script, 1024, " ");
	}
	return qfalse; 	// bk001105 - LCC   missing return value
}

// display, window, menu, item code
// 

/*
==================
Init_Display

Initializes the display with a structure to all the drawing routines
 ==================
*/
void Init_Display(displayContextDef_t *dc) {
	DC = dc;
}



// type and style painting 

void GradientBar_Paint(rectDef_t *rect, vec4_t color) {
	// gradient bar takes two paints
	DC->setColor( color );
	DC->drawHandlePic(rect->x, rect->y, rect->w, rect->h, DC->Assets.gradientBar);
	DC->setColor( NULL );
}


/*
==================
Window_Init

Initializes a window structure ( windowDef_t ) with defaults
 
==================
*/
void Window_Init(Window *w) {
	memset(w, 0, sizeof(windowDef_t));
	w->borderSize = 1;
	w->foreColor[0] = w->foreColor[1] = w->foreColor[2] = w->foreColor[3] = 1.0;
	w->cinematic = -1;
}

void Fade(int *flags, float *f, float clamp, int *nextTime, int offsetTime, qboolean bFlags, float fadeAmount) {
  if (*flags & (WINDOW_FADINGOUT | WINDOW_FADINGIN)) {
    if (DC->realTime > *nextTime) {
      *nextTime = DC->realTime + offsetTime;
      if (*flags & WINDOW_FADINGOUT) {
        *f -= fadeAmount;
        if (bFlags && *f <= 0.0) {
          *flags &= ~(WINDOW_FADINGOUT | WINDOW_VISIBLE);
        }
      } else {
        *f += fadeAmount;
        if (*f >= clamp) {
          *f = clamp;
          if (bFlags) {
            *flags &= ~WINDOW_FADINGIN;
          }
        }
      }
    }
  }
}



void Window_Paint(Window *w, float fadeAmount, float fadeClamp, float fadeCycle) {
  //float bordersize = 0;
  vec4_t color;
  rectDef_t fillRect = w->rect;


  if (debugMode) {
    color[0] = color[1] = color[2] = color[3] = 1;
    DC->drawRect(w->rect.x, w->rect.y, w->rect.w, w->rect.h, 1, color);
  }

  if (w == NULL || (w->style == 0 && w->border == 0)) {
    return;
  }

  if (w->border != 0) {
    fillRect.x += w->borderSize;
    fillRect.y += w->borderSize;
    fillRect.w -= w->borderSize + 1;
    fillRect.h -= w->borderSize + 1;
  }

  if (w->style == WINDOW_STYLE_FILLED) {
    // box, but possible a shader that needs filled
		if (w->background) {
		  Fade(&w->flags, &w->backColor[3], fadeClamp, &w->nextTime, fadeCycle, qtrue, fadeAmount);
      DC->setColor(w->backColor);
	    DC->drawHandlePic(fillRect.x, fillRect.y, fillRect.w, fillRect.h, w->background);
		  DC->setColor(NULL);
		} else {
	    DC->fillRect(fillRect.x, fillRect.y, fillRect.w, fillRect.h, w->backColor);
		}
  } else if (w->style == WINDOW_STYLE_GRADIENT) {
    GradientBar_Paint(&fillRect, w->backColor);
    // gradient bar
  } else if (w->style == WINDOW_STYLE_SHADER) {
    if (w->flags & WINDOW_FORECOLORSET) {
      DC->setColor(w->foreColor);
    }
    DC->drawHandlePic(fillRect.x, fillRect.y, fillRect.w, fillRect.h, w->background);
    DC->setColor(NULL);
  } else if (w->style == WINDOW_STYLE_TEAMCOLOR) {
    if (DC->getTeamColor) {
      DC->getTeamColor(&color);
      DC->fillRect(fillRect.x, fillRect.y, fillRect.w, fillRect.h, color);
    }
  } else if (w->style == WINDOW_STYLE_CINEMATIC) {
		if (w->cinematic == -1) {
			w->cinematic = DC->playCinematic(w->cinematicName, fillRect.x, fillRect.y, fillRect.w, fillRect.h);
			if (w->cinematic == -1) {
				w->cinematic = -2;
			}
		} 
		if (w->cinematic >= 0) {
	    DC->runCinematicFrame(w->cinematic);
			DC->drawCinematic(w->cinematic, fillRect.x, fillRect.y, fillRect.w, fillRect.h);
		}
  }

  if (w->border == WINDOW_BORDER_FULL) {
    // full
    // HACK HACK HACK
    if (w->style == WINDOW_STYLE_TEAMCOLOR) {
      if (color[0] > 0) { 
        // red
        color[0] = 1;
        color[1] = color[2] = .5;

      } else {
        color[2] = 1;
        color[0] = color[1] = .5;
      }
      color[3] = 1;
      DC->drawRect(w->rect.x, w->rect.y, w->rect.w, w->rect.h, w->borderSize, color);
    } else {
      DC->drawRect(w->rect.x, w->rect.y, w->rect.w, w->rect.h, w->borderSize, w->borderColor);
    }
  } else if (w->border == WINDOW_BORDER_HORZ) {
    // top/bottom
    DC->setColor(w->borderColor);
    DC->drawTopBottom(w->rect.x, w->rect.y, w->rect.w, w->rect.h, w->borderSize);
  	DC->setColor( NULL );
  } else if (w->border == WINDOW_BORDER_VERT) {
    // left right
    DC->setColor(w->borderColor);
    DC->drawSides(w->rect.x, w->rect.y, w->rect.w, w->rect.h, w->borderSize);
  	DC->setColor( NULL );
  } else if (w->border == WINDOW_BORDER_KCGRADIENT) {
    // this is just two gradient bars along each horz edge
    rectDef_t r = w->rect;
    r.h = w->borderSize;
    GradientBar_Paint(&r, w->borderColor);
    r.y = w->rect.y + w->rect.h - 1;
    GradientBar_Paint(&r, w->borderColor);
  }

}


void Item_SetScreenCoords(itemDef_t *item, float x, float y) {
  
  if (item == NULL) {
    return;
  }

  if (item->window.border != 0) {
    x += item->window.borderSize;
    y += item->window.borderSize;
  }

  item->window.rect.x = x + item->window.rectClient.x;
  item->window.rect.y = y + item->window.rectClient.y;
  item->window.rect.w = item->window.rectClient.w;
  item->window.rect.h = item->window.rectClient.h;

  // force the text rects to recompute
  item->textRect.w = 0;
  item->textRect.h = 0;
}

// FIXME: consolidate this with nearby stuff
void Item_UpdatePosition(itemDef_t *item) {
  float x, y;
  menuDef_t *menu;
  
  if (item == NULL || item->parent == NULL) {
    return;
  }

  menu = item->parent;

  x = menu->window.rect.x;
  y = menu->window.rect.y;
  
  if (menu->window.border != 0) {
    x += menu->window.borderSize;
    y += menu->window.borderSize;
  }

  Item_SetScreenCoords(item, x, y);

}

// menus
void Menu_UpdatePosition(menuDef_t *menu) {
  int i;
  float x, y;

  if (menu == NULL) {
    return;
  }
  
  x = menu->window.rect.x;
  y = menu->window.rect.y;
  if (menu->window.border != 0) {
    x += menu->window.borderSize;
    y += menu->window.borderSize;
  }

  for (i = 0; i < menu->itemCount; i++) {
    Item_SetScreenCoords(menu->items[i], x, y);
  }
}

void Menu_PostParse(menuDef_t *menu) {
	if (menu == NULL) {
		return;
	}
	if (menu->fullScreen) {
		menu->window.rect.x = 0;
		menu->window.rect.y = 0;
		menu->window.rect.w = 640;
		menu->window.rect.h = 480;
	}
	Menu_UpdatePosition(menu);
}

itemDef_t *Menu_ClearFocus(menuDef_t *menu) {
  int i;
  itemDef_t *ret = NULL;

  if (menu == NULL) {
    return NULL;
  }

  for (i = 0; i < menu->itemCount; i++) {
    if (menu->items[i]->window.flags & WINDOW_HASFOCUS) {
      ret = menu->items[i];
    } 
    menu->items[i]->window.flags &= ~WINDOW_HASFOCUS;
    if (menu->items[i]->leaveFocus) {
      Item_RunScript(menu->items[i], menu->items[i]->leaveFocus);
    }
  }
 
  return ret;
}

qboolean IsVisible(int flags) {
  return (flags & WINDOW_VISIBLE && !(flags & WINDOW_FADINGOUT));
}

qboolean Rect_ContainsPoint(rectDef_t *rect, float x, float y) {
  if (rect) {
    if (x > rect->x && x < rect->x + rect->w && y > rect->y && y < rect->y + rect->h) {
      return qtrue;
    }
  }
  return qfalse;
}

int Menu_ItemsMatchingGroup(menuDef_t *menu, const char *name) {
  int i;
  int count = 0;
  for (i = 0; i < menu->itemCount; i++) {
    if (Q_stricmp(menu->items[i]->window.name, name) == 0 || (menu->items[i]->window.group && Q_stricmp(menu->items[i]->window.group, name) == 0)) {
      count++;
    } 
  }
  return count;
}

itemDef_t *Menu_GetMatchingItemByNumber(menuDef_t *menu, int index, const char *name) {
  int i;
  int count = 0;
  for (i = 0; i < menu->itemCount; i++) {
    if (Q_stricmp(menu->items[i]->window.name, name) == 0 || (menu->items[i]->window.group && Q_stricmp(menu->items[i]->window.group, name) == 0)) {
      if (count == index) {
        return menu->items[i];
      }
      count++;
    } 
  }
  return NULL;
}



void Script_SetColor(itemDef_t *item, char **args) {
  const char *name;
  int i;
  float f;
  vec4_t *out;
  // expecting type of color to set and 4 args for the color
  if (String_Parse(args, &name)) {
      out = NULL;
      if (Q_stricmp(name, "backcolor") == 0) {
        out = &item->window.backColor;
        item->window.flags |= WINDOW_BACKCOLORSET;
      } else if (Q_stricmp(name, "forecolor") == 0) {
        out = &item->window.foreColor;
        item->window.flags |= WINDOW_FORECOLORSET;
      } else if (Q_stricmp(name, "bordercolor") == 0) {
        out = &item->window.borderColor;
      }

      if (out) {
        for (i = 0; i < 4; i++) {
          if (!Float_Parse(args, &f)) {
            return;
          }
          (*out)[i] = f;
        }
      }
  }
}

void Script_SetAsset(itemDef_t *item, char **args) {
  const char *name;
  // expecting name to set asset to
  if (String_Parse(args, &name)) {
    // check for a model 
    if (item->type == ITEM_TYPE_MODEL) {
    }
  }
}

void Script_SetBackground(itemDef_t *item, char **args) {
  const char *name;
  // expecting name to set asset to
  if (String_Parse(args, &name)) {
    item->window.background = DC->registerShaderNoMip(name);
  }
}




itemDef_t *Menu_FindItemByName(menuDef_t *menu, const char *p) {
  int i;
  if (menu == NULL || p == NULL) {
    return NULL;
  }

  for (i = 0; i < menu->itemCount; i++) {
    if (Q_stricmp(p, menu->items[i]->window.name) == 0) {
      return menu->items[i];
    }
  }

  return NULL;
}

void Script_SetTeamColor(itemDef_t *item, char **args) {
  if (DC->getTeamColor) {
    int i;
    vec4_t color;
    DC->getTeamColor(&color);
    for (i = 0; i < 4; i++) {
      item->window.backColor[i] = color[i];
    }
  }
}

void Script_SetItemColor(itemDef_t *item, char **args) {
  const char *itemname;
  const char *name;
  vec4_t color;
  int i;
  vec4_t *out;
  // expecting type of color to set and 4 args for the color
  if (String_Parse(args, &itemname) && String_Parse(args, &name)) {
    itemDef_t *item2;
    int j;
    int count = Menu_ItemsMatchingGroup(item->parent, itemname);

    if (!Color_Parse(args, &color)) {
      return;
    }

    for (j = 0; j < count; j++) {
      item2 = Menu_GetMatchingItemByNumber(item->parent, j, itemname);
      if (item2 != NULL) {
        out = NULL;
        if (Q_stricmp(name, "backcolor") == 0) {
          out = &item2->window.backColor;
        } else if (Q_stricmp(name, "forecolor") == 0) {
          out = &item2->window.foreColor;
          item2->window.flags |= WINDOW_FORECOLORSET;
        } else if (Q_stricmp(name, "bordercolor") == 0) {
          out = &item2->window.borderColor;
        }

        if (out) {
          for (i = 0; i < 4; i++) {
            (*out)[i] = color[i];
          }
        }
      }
    }
  }
}


void Menu_ShowItemByName(menuDef_t *menu, const char *p, qboolean bShow) {
	itemDef_t *item;
	int i;
	int count = Menu_ItemsMatchingGroup(menu, p);
	for (i = 0; i < count; i++) {
		item = Menu_GetMatchingItemByNumber(menu, i, p);
		if (item != NULL) {
			if (bShow) {
				item->window.flags |= WINDOW_VISIBLE;
			} else {
				item->window.flags &= ~WINDOW_VISIBLE;
				// stop cinematics playing in the window
				if (item->window.cinematic >= 0) {
					DC->stopCinematic(item->window.cinematic);
					item->window.cinematic = -1;
				}
			}
		}
	}
}

void Menu_FadeItemByName(menuDef_t *menu, const char *p, qboolean fadeOut) {
  itemDef_t *item;
  int i;
  int count = Menu_ItemsMatchingGroup(menu, p);
  for (i = 0; i < count; i++) {
    item = Menu_GetMatchingItemByNumber(menu, i, p);
    if (item != NULL) {
      if (fadeOut) {
        item->window.flags |= (WINDOW_FADINGOUT | WINDOW_VISIBLE);
        item->window.flags &= ~WINDOW_FADINGIN;
      } else {
        item->window.flags |= (WINDOW_VISIBLE | WINDOW_FADINGIN);
        item->window.flags &= ~WINDOW_FADINGOUT;
      }
    }
  }
}