150 lines
3.6 KiB
C
150 lines
3.6 KiB
C
/*
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Copyright (C) 2015-2019 Parallel Realities
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "radar.h"
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static AtlasImage *radarTexture;
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static AtlasImage *radarWarningTexture;
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static int radarRanges[] = {20, 40, 60};
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static char *CAUTION_TEXT;
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void initRadar(void)
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{
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radarTexture = getAtlasImage("gfx/hud/radar.png");
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radarWarningTexture = getAtlasImage("gfx/hud/radarWarning.png");
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/* medium range by default */
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battle.radarRange = 1;
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CAUTION_TEXT = _("Caution: Leaving battle area - turn around.");
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}
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void drawRadar(void)
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{
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SDL_Rect r;
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Entity *e;
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int dist, inRange, blink;
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blit(radarTexture, app.winWidth - 85, app.winHeight - 85, 1);
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drawText(app.winWidth - 160, app.winHeight - 30, 14, TA_RIGHT, colors.white, "%dx", battle.radarRange + 1);
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r.w = r.h = 3;
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blink = battle.stats[STAT_TIME] % 60 < 30;
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for (e = battle.entityHead.next ; e != NULL ; e = e->next)
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{
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dist = getDistance(e->x, e->y, player->x, player->y);
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if (e->active)
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{
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inRange = (!(e->flags & EF_SHORT_RADAR_RANGE)) ? (dist / radarRanges[battle.radarRange]) < 70 : dist < 500;
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if (inRange)
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{
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r.x = app.winWidth - 85;
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r.y = app.winHeight - 85;
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r.x -= (player->x - e->x) / radarRanges[battle.radarRange];
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r.y -= (player->y - e->y) / radarRanges[battle.radarRange];
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r.x--;
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r.y--;
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if (e->side == SIDE_NONE)
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{
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SDL_SetRenderDrawColor(app.renderer, 255, 255, 255, 255);
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}
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else if (e->side == player->side)
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{
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SDL_SetRenderDrawColor(app.renderer, 0, 255, 0, 255);
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}
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else
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{
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SDL_SetRenderDrawColor(app.renderer, 255, 0, 0, 255);
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}
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if (e->type == ET_MINE || e->type == ET_SHADOW_MINE || e->type == ET_JUMPGATE || (e->owner && e->owner->type == ET_JUMPGATE))
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{
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SDL_SetRenderDrawColor(app.renderer, 255, 255, 255, 255);
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}
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if (blink)
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{
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if (e == player->target || e == battle.missionTarget)
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{
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SDL_SetRenderDrawColor(app.renderer, 255, 255, 0, 255);
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}
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if (e->flags & EF_DISABLED)
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{
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SDL_SetRenderDrawColor(app.renderer, 0, 192, 255, 255);
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}
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}
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SDL_RenderFillRect(app.renderer, &r);
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}
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}
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}
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}
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void drawRadarRangeWarning(void)
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{
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int x, y, leaving;
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x = (int)player->x / (app.winWidth / 2);
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y = (int)player->y / (app.winHeight / 2);
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leaving = 0;
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if (x <= 2 && player->dx < 0)
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{
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blitRotated(radarWarningTexture, app.winWidth - 85, app.winHeight - 85, 270);
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leaving = 1;
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}
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if (y <= 3 && player->dy < 0)
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{
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blitRotated(radarWarningTexture, app.winWidth - 85, app.winHeight - 85, 0);
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leaving = 1;
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}
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if (x >= BATTLE_AREA_CELLS - 2 && player->dx > 0)
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{
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blitRotated(radarWarningTexture, app.winWidth - 85, app.winHeight - 85, 90);
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leaving = 1;
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}
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if (y >= BATTLE_AREA_CELLS - 3 && player->dy > 0)
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{
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blitRotated(radarWarningTexture, app.winWidth - 85, app.winHeight - 85, 180);
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leaving = 1;
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}
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if (leaving && battle.stats[STAT_TIME] % FPS < 40)
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{
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drawText(app.winWidth / 2, app.winHeight - 30, 14, TA_CENTER, colors.white, CAUTION_TEXT);
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}
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}
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