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parser/texture:: txp function
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388ac890bf
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18
textures.cpp
18
textures.cpp
@ -1676,6 +1676,16 @@ void texture_config::remap() {
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}
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}
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#if CAP_TEXTURE
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texture_data txp;
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EX double get_txp(ld x, ld y, int p) {
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if(txp.texture_pixels.empty()) return 0.5;
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color_t col = txp.get_texture_pixel(txp.twidth * x, txp.twidth * y);
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return part(col, p) / 255.;
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}
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#endif
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int textureArgs() {
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using namespace arg;
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@ -1696,6 +1706,14 @@ int textureArgs() {
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shift(); config.configname = args();
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}
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else if(argis("-txpsize")) {
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shift(); txp.twidth = argi();
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}
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else if(argis("-txpf")) {
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shift(); txp.readtexture(args());
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}
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else if(argis("-txcl")) {
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PHASE(3); drawscreen();
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config.load();
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6
util.cpp
6
util.cpp
@ -219,6 +219,12 @@ cld exp_parser::parse(int prio) {
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dynamicval<cld> d(extra_params[name], val);
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return parsepar();
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}
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#if CAP_TEXTURE
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else if(eat("txp(")) {
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cld val = parsepar();
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return texture::get_txp(real(val), imag(val), int(real(extra_params["p"]) + .5)-1);
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}
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#endif
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else if(next() == '(') at++, res = parsepar();
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else {
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string number;
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