Justin Marshall
118 lines
3.5 KiB
C++
118 lines
3.5 KiB
C++
#include "gamelib/effects/deferreddecalmanager.h"
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#include "gamelib/physics/physics.h"
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#include "idlib/lib_print.h"
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idClipQuery GameLib_SubmitDeferredDecalLineTrace(idClip* clip,
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const idVec3& start, const idVec3& end, int clipMask);
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bool GameLib_GetDeferredDecalLineTraceResult(idClip* clip,
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idClipQuery& query, trace_t& result);
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void GameLib_AddDeferredDecalFromPoint(idRenderModelDecal* decalModel,
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const deferredDecalParams_t& parameters, int time,
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const idVec3& origin, const idVec3& normal);
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namespace {
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constexpr std::uint64_t RECOVERED_EMPTY_CLIP_QUERY = 0x000007D000000000ULL;
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} // namespace
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idDeferredDecalQuery::idDeferredDecalQuery() {
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Reset();
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}
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void idDeferredDecalQuery::Reset() {
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theQuery.index = RECOVERED_EMPTY_CLIP_QUERY;
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decalParams.decalMat = nullptr;
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decalParams.depth = 8.0f;
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decalParams.size.Set(32.0f, 32.0f);
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decalParams.angle = 0.0f;
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decalParams.lifetime = 10000;
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decalParams.fadetime = 2000;
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decalParams.fadeInEndTime = 0;
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origin.Zero();
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normal.Zero();
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}
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idDeferredDecalManager::idDeferredDecalManager()
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: lineQueries{}
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, numLineQueries(0)
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, clip(nullptr)
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, decalModel(nullptr) {
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}
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void idDeferredDecalManager::Init(idClip* const clip_,
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idRenderModelDecal* const decalModel_) {
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clip = clip_;
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decalModel = decalModel_;
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}
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void idDeferredDecalManager::Shutdown() {
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numLineQueries = 0;
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clip = nullptr;
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decalModel = nullptr;
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for (idDeferredDecalQuery& query : lineQueries) {
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query.Reset();
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}
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}
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void idDeferredDecalManager::AddDecalFromLineTrace(
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const deferredDecalParams_t* const decalParameters,
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const idVec3& start, const idVec3& end, const int clipMask) {
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if (clip == nullptr || decalModel == nullptr) {
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return;
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}
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if (numLineQueries >= 16) {
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idLibPrint::Warning("Too many deferred decal queries this frame!");
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return;
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}
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if (decalParameters == nullptr || decalParameters->decalMat == nullptr) {
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idLibPrint::Warning(
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"Null decal passed in to "
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"idDeferredDecalManager::AddDecalFromLineTrace");
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return;
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}
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idDeferredDecalQuery& query = lineQueries[numLineQueries];
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query.Reset();
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query.theQuery = GameLib_SubmitDeferredDecalLineTrace(
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clip, start, end, clipMask);
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query.decalParams = *decalParameters;
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++numLineQueries;
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}
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void idDeferredDecalManager::AddDecalFromPoint(
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const deferredDecalParams_t* const decalParameters, const int time,
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const idVec3& origin, const idVec3& normal) {
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if (clip == nullptr || decalModel == nullptr) {
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return;
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}
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if (decalParameters == nullptr || decalParameters->decalMat == nullptr) {
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idLibPrint::Warning(
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"Null decal passed in to "
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"idDeferredDecalManager::AddDecalFromLineTrace");
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return;
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}
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GameLib_AddDeferredDecalFromPoint(
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decalModel, *decalParameters, time, origin, normal);
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}
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void idDeferredDecalManager::Update(const int time) {
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if (clip == nullptr || decalModel == nullptr) {
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return;
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}
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for (int index = 0; index < numLineQueries; ++index) {
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idDeferredDecalQuery& query = lineQueries[index];
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trace_t result{};
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if (GameLib_GetDeferredDecalLineTraceResult(
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clip, query.theQuery, result) && result.fraction < 1.0f) {
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AddDecalFromPoint(&query.decalParams, time,
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result.endpos, result.c.normal);
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}
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query.Reset();
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}
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numLineQueries = 0;
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}
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