977bf09a12
Mostly variable declarations moved to the top of blocks. is_transparent can't be inline, since it's needed in several places
127 lines
4.2 KiB
C
127 lines
4.2 KiB
C
/*
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* This file is part of the Minecraft Overviewer.
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*
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* Minecraft Overviewer is free software: you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as published
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* by the Free Software Foundation, either version 3 of the License, or (at
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* your option) any later version.
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*
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* Minecraft Overviewer 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 GNU General
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* Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with the Overviewer. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "overviewer.h"
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#include <math.h>
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static int
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rendermode_spawn_start(void *data, RenderState *state) {
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RenderModeSpawn* self;
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/* first, chain up */
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int ret = rendermode_night.start(data, state);
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if (ret != 0)
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return ret;
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/* now do custom initializations */
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self = (RenderModeSpawn *)data;
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self->solid_blocks = PyObject_GetAttrString(state->chunk, "solid_blocks");
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self->nospawn_blocks = PyObject_GetAttrString(state->chunk, "nospawn_blocks");
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self->fluid_blocks = PyObject_GetAttrString(state->chunk, "fluid_blocks");
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self->red_color = PyObject_GetAttrString(state->chunk, "red_color");
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return 0;
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}
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static void
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rendermode_spawn_finish(void *data, RenderState *state) {
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/* first free all *our* stuff */
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RenderModeSpawn* self = (RenderModeSpawn *)data;
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Py_DECREF(self->solid_blocks);
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Py_DECREF(self->nospawn_blocks);
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Py_DECREF(self->fluid_blocks);
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/* now, chain up */
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rendermode_night.finish(data, state);
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}
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static int
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rendermode_spawn_occluded(void *data, RenderState *state) {
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/* no special occlusion here */
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return rendermode_night.occluded(data, state);
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}
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static void
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rendermode_spawn_draw(void *data, RenderState *state, PyObject *src, PyObject *mask) {
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/* different versions of self (spawn, lighting) */
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RenderModeSpawn* self = (RenderModeSpawn *)data;
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RenderModeLighting *lighting = (RenderModeLighting *)self;
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int x = state->x, y = state->y, z = state->z;
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PyObject *old_black_color = NULL;
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/* figure out the appropriate darkness:
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this block for transparents, the block above for non-transparent */
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float darkness = 0.0;
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if (is_transparent(state->block)) {
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darkness = get_lighting_coefficient((RenderModeLighting *)self, state, x, y, z, NULL);
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} else {
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darkness = get_lighting_coefficient((RenderModeLighting *)self, state, x, y, z+1, NULL);
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}
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/* if it's dark enough... */
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if (darkness > 0.8) {
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PyObject *block_py = PyInt_FromLong(state->block);
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/* make sure it's solid */
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if (PySequence_Contains(self->solid_blocks, block_py)) {
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int spawnable = 1;
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/* not spawnable if its in the nospawn list */
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if (PySequence_Contains(self->nospawn_blocks, block_py))
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spawnable = 0;
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/* check the block above for solid or fluid */
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if (spawnable && z != 127) {
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PyObject *top_block_py = PyInt_FromLong(getArrayByte3D(state->blocks, x, y, z+1));
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if (PySequence_Contains(self->solid_blocks, top_block_py) ||
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PySequence_Contains(self->fluid_blocks, top_block_py)) {
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spawnable = 0;
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}
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Py_DECREF(top_block_py);
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}
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/* if we passed all the checks, replace black_color with red_color */
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if (spawnable) {
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old_black_color = lighting->black_color;
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lighting->black_color = self->red_color;
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}
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}
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Py_DECREF(block_py);
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}
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/* draw normally */
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rendermode_night.draw(data, state, src, mask);
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/* reset black_color, if needed */
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if (old_black_color != NULL) {
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lighting->black_color = old_black_color;
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}
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}
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RenderModeInterface rendermode_spawn = {
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sizeof(RenderModeSpawn),
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rendermode_spawn_start,
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rendermode_spawn_finish,
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rendermode_spawn_occluded,
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rendermode_spawn_draw,
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};
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