72 lines
1.9 KiB
C
72 lines
1.9 KiB
C
/*
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Copyright (C) 2003 Parallel Realities
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Copyright (C) 2011 Guus Sliepen
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Copyright (C) 2015-2020 The Diligent Circle <diligentcircle@riseup.net>
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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 3
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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. See the
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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, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdlib.h>
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#include "defs.h"
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#include "structs.h"
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#include "engine.h"
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#include "gfx.h"
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/*
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Create a new explosion based on supplied parameters.
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The "type" will actually be used as an explosion frame check.
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All explosion types have 4 images. The "thinktime" will be used
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to change frames on a 21, 14, 7 basis.
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*/
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void explosion_add(float x, float y, int type)
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{
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Object *explosion;
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explosion = malloc(sizeof(*explosion));
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if (explosion == NULL)
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{
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engine_warn("Failed to allocate memory for explosion.");
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return;
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}
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explosion->next = NULL;
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explosion->active = 1;
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explosion->x = x;
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explosion->y = y;
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explosion->thinktime = 28;
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explosion->face = type;
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explosion->image[0] = gfx_sprites[type];
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engine.explosionTail->next = explosion;
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engine.explosionTail = explosion;
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}
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/*
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* This very simply just adds a tiny explosion at the coordinate specified.
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* It creates a small engine like effect.
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*/
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void explosion_addEngine(Object *craft)
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{
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if (CHANCE(0.5))
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return;
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float x = craft->x + (craft->engineX * craft->face);
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float y = craft->y + craft->engineY;
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y += RANDRANGE(-3, 3);
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explosion_add(x, y, SP_TINY_EXPLOSION);
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}
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