89 lines
2.8 KiB
C++
89 lines
2.8 KiB
C++
#include "libhud.hpp"
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#include "assets/Assets.hpp"
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#include "content/Content.hpp"
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#include "graphics/core/PostEffect.hpp"
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#include "graphics/core/PostProcessing.hpp"
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using namespace scripting;
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static int l_index(lua::State* L) {
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auto name = lua::require_string(L, 1);
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auto& indices = content->getIndices(ResourceType::POST_EFFECT_SLOT);
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return lua::pushinteger(L, indices.indexOf(name));
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}
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static int l_set_effect(lua::State* L) {
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size_t index = static_cast<size_t>(lua::tointeger(L, 1));
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auto name = lua::require_string(L, 2);
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auto& assets = *engine->getAssets();
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auto effect = assets.getShared<PostEffect>(name);
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if (effect == nullptr) {
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throw std::runtime_error(std::string("post-effect '") + name + "' not found");
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}
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post_processing->setEffect(index, std::move(effect));
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return 0;
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}
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static int l_get_intensity(lua::State* L) {
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size_t index = static_cast<size_t>(lua::tointeger(L, 1));
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auto effect = post_processing->getEffect(index);
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return lua::pushnumber(L, effect ? effect->getIntensity() : 0.0f);
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}
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static int l_set_intensity(lua::State* L) {
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size_t index = static_cast<size_t>(lua::tointeger(L, 1));
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float value = lua::tonumber(L, 2);
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post_processing->getEffect(index)->setIntensity(value);
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return 0;
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}
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static int l_is_active(lua::State* L) {
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size_t index = static_cast<size_t>(lua::tointeger(L, 1));
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auto effect = post_processing->getEffect(index);
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return lua::pushboolean(L, effect ? effect->isActive() : false);
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}
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static int l_set_params(lua::State* L) {
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size_t index = static_cast<size_t>(lua::tointeger(L, 1));
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auto table = lua::tovalue(L, 2);
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if (!table.isObject()) {
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throw std::runtime_error("params table expected");
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}
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auto effect = post_processing->getEffect(index);
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if (effect == nullptr) {
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return 0;
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}
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for (const auto& [key, value] : table.asObject()) {
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effect->setParam(key, value);
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}
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return 0;
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}
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static int l_set_array(lua::State* L) {
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size_t index = static_cast<size_t>(lua::tointeger(L, 1));
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auto key = lua::require_string(L, 2);
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auto data = lua::require_lstring(L, 3);
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auto effect = post_processing->getEffect(index);
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if (effect == nullptr) {
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return 0;
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}
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std::vector<ubyte> buffer(
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reinterpret_cast<const ubyte*>(data.data()),
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reinterpret_cast<const ubyte*>(data.data() + data.size())
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);
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effect->setArray(key, std::move(buffer));
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return 0;
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}
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const luaL_Reg posteffectslib[] = {
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{"index", lua::wrap<l_index>},
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{"set_effect", lua::wrap<l_set_effect>},
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{"get_intensity", lua::wrap<l_get_intensity>},
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{"set_intensity", lua::wrap<l_set_intensity>},
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{"is_active", lua::wrap<l_is_active>},
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{"set_params", lua::wrap<l_set_params>},
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{"set_array", lua::wrap<l_set_array>},
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{NULL, NULL}
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};
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