209 lines
6.5 KiB
C
209 lines
6.5 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 "biomes.h"
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#include "overlay.h"
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typedef struct {
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/* inherits from overlay */
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RenderPrimitiveOverlay parent;
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void* biomes;
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} RenderPrimitiveBiomes;
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struct BiomeColor {
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unsigned char biome;
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unsigned char r, g, b;
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};
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static struct BiomeColor default_biomes[] = {
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{0, 135, 106, 150}, /* Ocean */
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{1, 98, 238, 240}, /* Plains */
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{2, 227, 107, 0}, /* Desert */
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{3, 255, 55, 55}, /* Extreme Hills */
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{4, 10, 200, 200}, /* Forest */
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{5, 10, 100, 240}, /* Taiga */
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{6, 200, 100, 100}, /* Swampland */
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{7, 70, 170, 0}, /* River */
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{8, 255, 0, 0}, /* Hell */
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{9, 255, 255, 255}, /* Sky */
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{10, 155, 55, 255}, /* FrozenOcean */
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{11, 255, 55, 255}, /* FrozenRiver */
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{12, 155, 255, 255}, /* Ice Plains */
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{13, 205, 205, 255}, /* Ice Mountains */
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{14, 255, 0, 155}, /* MushroomIsland */
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{15, 255, 75, 175}, /* MushroomIslandShore */
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{16, 255, 255, 0}, /* Beach */
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{17, 240, 155, 0}, /* DesertHills */
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{18, 100, 200, 200}, /* ForestHills */
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{19, 100, 100, 240}, /* TaigaHills */
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{20, 255, 25, 15}, /* Extreme Hills Edge */
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{21, 155, 155, 55}, /* Jungle */
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{22, 175, 255, 55}, /* Jungle Hills */
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{23, 135, 255, 55}, /* Jungle Edge */
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{24, 135, 106, 150}, /* Deep Ocean */
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{25, 255, 25, 15}, /* Stone Beach */
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{26, 155, 255, 255}, /* Cold Beach */
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{27, 10, 200, 200}, /* Birch Forest */
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{28, 10, 200, 200}, /* Birch Forest Edge */
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{29, 10, 200, 200}, /* Roofed Forest */
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{30, 155, 255, 255}, /* Cold Taiga */
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{31, 155, 200, 255}, /* Cold Taiga Hills */
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{32, 10, 100, 240}, /* Mega Taiga */
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{33, 10, 100, 240}, /* Mega Taiga Hills*/
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{34, 255, 55, 55}, /* Extreme Hills+ */
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{35, 227, 107, 0}, /* Savanna */
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{36, 227, 107, 0}, /* Savanna Plateau */
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{37, 255, 100, 100}, /* Mesa */
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{38, 255, 100, 100}, /* Mesa Plateau F */
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{39, 255, 100, 100}, /* Mesa Plateau */
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/* end of list marker */
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{255, 0, 0, 0}};
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static void get_color(void* data, RenderState* state,
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unsigned char* r, unsigned char* g, unsigned char* b, unsigned char* a) {
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unsigned char biome;
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int x = state->x, z = state->z, y_max, y;
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int max_i = -1;
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RenderPrimitiveBiomes* self = (RenderPrimitiveBiomes*)data;
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struct BiomeColor* biomes = (struct BiomeColor*)(self->biomes);
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*a = 0;
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y_max = state->y + 1;
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for (y = state->chunky * -16; y <= y_max; y++) {
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int i, tmp;
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biome = get_data(state, BIOMES, x, y, z);
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if (biome >= NUM_BIOMES) {
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biome = DEFAULT_BIOME;
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}
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for (i = 0; (max_i == -1 || i < max_i) && biomes[i].biome != 255; i++) {
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if (biomes[i].biome == biome) {
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//printf("(%d, %d, %d), %d, %s\n", x, y, z, biomes[i].biome, biome_table[biomes[i].biome].name);
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*r = biomes[i].r;
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*g = biomes[i].g;
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*b = biomes[i].b;
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*a = self->parent.color->a;
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max_i = i;
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break;
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}
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}
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}
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}
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static int
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overlay_biomes_start(void* data, RenderState* state, PyObject* support) {
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PyObject* opt;
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RenderPrimitiveBiomes* self;
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unsigned char alpha_tmp = 0;
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/* first, chain up */
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int ret = primitive_overlay.start(data, state, support);
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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 = (RenderPrimitiveBiomes*)data;
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// opt is a borrowed reference. do not deref
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if (!render_mode_parse_option(support, "biomes", "O", &(opt)))
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return 1;
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if (opt && opt != Py_None) {
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struct BiomeColor* biomes = NULL;
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Py_ssize_t biomes_size = 0, i;
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/* create custom biomes */
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if (!PyList_Check(opt)) {
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PyErr_SetString(PyExc_TypeError, "'biomes' must be a list");
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return 1;
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}
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biomes_size = PyList_GET_SIZE(opt);
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biomes = self->biomes = calloc(biomes_size + 1, sizeof(struct BiomeColor));
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if (biomes == NULL) {
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return 1;
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}
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for (i = 0; i < biomes_size; i++) {
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PyObject* biome = PyList_GET_ITEM(opt, i);
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char* tmpname = NULL;
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int j = 0;
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if (!PyArg_ParseTuple(biome, "s(bbb)", &tmpname, &(biomes[i].r), &(biomes[i].g), &(biomes[i].b))) {
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free(biomes);
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self->biomes = NULL;
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return 1;
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}
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//printf("%s, (%d, %d, %d) ->", tmpname, biomes[i].r, biomes[i].g, biomes[i].b);
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for (j = 0; j < NUM_BIOMES; j++) {
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if (strncmp(biome_table[j].name, tmpname, strlen(tmpname)) == 0) {
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//printf("biome_table index=%d", j);
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biomes[i].biome = j;
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break;
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}
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}
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//printf("\n");
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}
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biomes[biomes_size].biome = 255; //Because 0 is a valid biome, have to use 255 as the end of list marker instead. Fragile!
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} else {
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self->biomes = default_biomes;
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}
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if (!render_mode_parse_option(support, "alpha", "b", &(alpha_tmp))) {
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if (PyErr_Occurred()) {
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PyErr_Clear();
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alpha_tmp = 240;
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}
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self->parent.color->a = alpha_tmp;
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}
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/* setup custom color */
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self->parent.get_color = get_color;
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return 0;
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}
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static void
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overlay_biomes_finish(void* data, RenderState* state) {
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/* first free all *our* stuff */
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RenderPrimitiveBiomes* self = (RenderPrimitiveBiomes*)data;
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if (self->biomes && self->biomes != default_biomes) {
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free(self->biomes);
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}
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/* now, chain up */
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primitive_overlay.finish(data, state);
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}
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RenderPrimitiveInterface primitive_overlay_biomes = {
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"overlay-biomes",
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sizeof(RenderPrimitiveBiomes),
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overlay_biomes_start,
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overlay_biomes_finish,
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NULL,
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NULL,
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overlay_draw,
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};
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