mirror of
https://github.com/jmarshall23/DoomRTX.git
synced 2026-08-12 08:11:10 +02:00
Justin Marshall
348 lines
9.3 KiB
C++
348 lines
9.3 KiB
C++
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#include "precompiled.h"
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#include "../idLib/preylib.h"
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static const int HH_MAX_BEAM_NODES = 32;
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enum {
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HH_BEAMCMD_SPLINE_LINEAR_TO_TARGET = 0,
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HH_BEAMCMD_SPLINE_ARC_TO_TARGET = 1,
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HH_BEAMCMD_SPLINE_ADD = 2,
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HH_BEAMCMD_SPLINE_ADD_SIN = 3,
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HH_BEAMCMD_SPLINE_ADD_SIN_TIME = 4,
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HH_BEAMCMD_SPLINE_ADD_SIN_TIME_SCALED = 5,
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HH_BEAMCMD_CONVERT_SPLINE_TO_NODES = 6,
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HH_BEAMCMD_NODE_LINEAR_TO_TARGET = 7,
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HH_BEAMCMD_NODE_ELECTRIC = 8
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};
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static void HH_InitBeamCmd(beamCmd_t& cmd, const int command, const int index) {
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int* raw = reinterpret_cast<int*>(&cmd);
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/*
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The dump initializes all unused dwords after command to the current
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command index before overwriting the fields that a command actually uses.
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*/
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raw[0] = command;
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raw[1] = index;
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raw[2] = index;
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raw[3] = index;
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raw[4] = index;
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raw[5] = index;
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raw[6] = index;
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raw[7] = index;
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}
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static beamCmd_t& HH_AllocBeamCmd(idList<beamCmd_t>& list, const int command) {
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const int index = list.Num();
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beamCmd_t& cmd = list.Alloc();
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HH_InitBeamCmd(cmd, command, index);
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return cmd;
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}
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static void HH_SetBeamCmdIntArg(beamCmd_t& cmd, const int value) {
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reinterpret_cast<int*>(&cmd)[1] = value;
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}
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static void HH_SetBeamCmdVecA(beamCmd_t& cmd, const idVec3& value) {
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float* raw = reinterpret_cast<float*>(&cmd);
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raw[2] = value.x;
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raw[3] = value.y;
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raw[4] = value.z;
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}
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static void HH_SetBeamCmdVecB(beamCmd_t& cmd, const idVec3& value) {
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float* raw = reinterpret_cast<float*>(&cmd);
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raw[5] = value.x;
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raw[6] = value.y;
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raw[7] = value.z;
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}
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static idVec3 HH_ParseBeamVec3(idLexer& src) {
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idVec3 value;
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src.ExpectTokenString("(");
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value.x = src.ParseFloat();
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src.ExpectTokenString(",");
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value.y = src.ParseFloat();
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src.ExpectTokenString(",");
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value.z = src.ParseFloat();
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src.ExpectTokenString(")");
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return value;
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}
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/*
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================
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hhDeclBeam::hhDeclBeam
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================
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*/
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hhDeclBeam::hhDeclBeam() {
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numNodes = 0;
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numBeams = 0;
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for (int i = 0; i < MAX_BEAMS; i++) {
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thickness[i] = 0.0f;
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bFlat[i] = false;
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bTaperEndPoints[i] = false;
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shader[i] = NULL;
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quadShader[i][0] = NULL;
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quadShader[i][1] = NULL;
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quadSize[i][0] = 0.0f;
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quadSize[i][1] = 0.0f;
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cmds[i].Clear();
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cmds[i].SetGranularity(16);
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}
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}
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/*
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================
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hhDeclBeam::DefaultDefinition
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================
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*/
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const char* hhDeclBeam::DefaultDefinition() const {
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return "{ numNodes 2 numBeams 1 _white { NodeLinearToTarget } }";
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}
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/*
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================
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hhDeclBeam::FreeData
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================
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*/
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void hhDeclBeam::FreeData() {
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numNodes = 0;
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numBeams = 0;
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for (int i = 0; i < MAX_BEAMS; i++) {
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thickness[i] = 0.0f;
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bFlat[i] = false;
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bTaperEndPoints[i] = false;
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shader[i] = NULL;
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quadShader[i][0] = NULL;
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quadShader[i][1] = NULL;
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quadSize[i][0] = 0.0f;
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quadSize[i][1] = 0.0f;
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cmds[i].Clear();
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cmds[i].SetGranularity(16);
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}
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}
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/*
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================
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hhDeclBeam::Parse
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================
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*/
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bool hhDeclBeam::Parse(const char* text, const int textLength) {
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idLexer src;
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idToken token;
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src.LoadMemory(text, textLength, GetFileName(), GetLineNum());
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src.SetFlags(DECL_LEXER_FLAGS);
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src.SkipUntilString("{");
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src.ExpectTokenString("numNodes");
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numNodes = src.ParseInt();
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if (numNodes > HH_MAX_BEAM_NODES) {
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numNodes = HH_MAX_BEAM_NODES;
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}
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src.ExpectTokenString("numBeams");
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numBeams = src.ParseInt();
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if (numBeams > MAX_BEAMS) {
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numBeams = MAX_BEAMS;
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}
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/*
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The dump only treats exactly zero as a parse error. A negative value
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falls through and returns true without parsing any beam blocks.
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*/
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if (numBeams == 0) {
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src.Warning("Beam decl '%s' had a parse error", GetName());
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return false;
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}
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if (numBeams <= 0) {
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return true;
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}
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for (int beamNum = 0; beamNum < numBeams; beamNum++) {
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thickness[beamNum] = 1.0f;
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bFlat[beamNum] = false;
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bTaperEndPoints[beamNum] = false;
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quadShader[beamNum][0] = NULL;
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quadShader[beamNum][1] = NULL;
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quadSize[beamNum][0] = 1.0f;
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quadSize[beamNum][1] = 1.0f;
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cmds[beamNum].Clear();
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cmds[beamNum].SetGranularity(16);
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/*
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Per beam block format:
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<materialName> {
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...
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}
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*/
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if (!src.ReadToken(&token)) {
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src.Warning("Beam decl '%s' had a parse error", GetName());
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return false;
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}
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shader[beamNum] = declManager->FindMaterial(token.c_str());
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src.ExpectTokenString("{");
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while (src.ReadToken(&token)) {
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if (!token.Icmp("}")) {
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break;
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}
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/*
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===================================================================
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Beam properties
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===================================================================
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*/
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if (!token.Icmp("thickness")) {
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thickness[beamNum] = src.ParseFloat();
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continue;
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}
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if (!token.Icmp("taperEnds")) {
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bTaperEndPoints[beamNum] = (src.ParseInt() != 0);
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continue;
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}
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if (!token.Icmp("flat")) {
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bFlat[beamNum] = (src.ParseInt() != 0);
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continue;
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}
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if (!token.Icmp("quadOriginShader")) {
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src.ReadToken(&token);
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quadShader[beamNum][0] = declManager->FindMaterial(token.c_str());
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continue;
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}
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if (!token.Icmp("quadEndShader")) {
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src.ReadToken(&token);
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quadShader[beamNum][1] = declManager->FindMaterial(token.c_str());
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continue;
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}
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if (!token.Icmp("quadOriginSize")) {
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quadSize[beamNum][0] = src.ParseFloat();
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continue;
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}
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if (!token.Icmp("quadEndSize")) {
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quadSize[beamNum][1] = src.ParseFloat();
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continue;
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}
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if (!token.Icmp("SplineLinearToTarget")) {
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HH_AllocBeamCmd(cmds[beamNum], HH_BEAMCMD_SPLINE_LINEAR_TO_TARGET);
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continue;
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}
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if (!token.Icmp("SplineArcToTarget")) {
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HH_AllocBeamCmd(cmds[beamNum], HH_BEAMCMD_SPLINE_ARC_TO_TARGET);
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continue;
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}
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if (!token.Icmp("SplineAdd")) {
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const int intArg = src.ParseInt();
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const idVec3 vecA = HH_ParseBeamVec3(src);
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beamCmd_t& cmd = HH_AllocBeamCmd(cmds[beamNum], HH_BEAMCMD_SPLINE_ADD);
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HH_SetBeamCmdIntArg(cmd, intArg);
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HH_SetBeamCmdVecA(cmd, vecA);
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continue;
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}
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if (!token.Icmp("SplineAddSin")) {
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const int intArg = src.ParseInt();
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/*
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The dump parses the first vector, then the second vector,
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but stores the second vector at +08 and the first at +20.
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*/
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const idVec3 vecB = HH_ParseBeamVec3(src);
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const idVec3 vecA = HH_ParseBeamVec3(src);
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beamCmd_t& cmd = HH_AllocBeamCmd(cmds[beamNum], HH_BEAMCMD_SPLINE_ADD_SIN);
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HH_SetBeamCmdIntArg(cmd, intArg);
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HH_SetBeamCmdVecA(cmd, vecA);
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HH_SetBeamCmdVecB(cmd, vecB);
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continue;
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}
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if (!token.Icmp("SplineAddSinTime")) {
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const int intArg = src.ParseInt();
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const idVec3 vecB = HH_ParseBeamVec3(src);
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const idVec3 vecA = HH_ParseBeamVec3(src);
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beamCmd_t& cmd = HH_AllocBeamCmd(cmds[beamNum], HH_BEAMCMD_SPLINE_ADD_SIN_TIME);
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HH_SetBeamCmdIntArg(cmd, intArg);
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HH_SetBeamCmdVecA(cmd, vecA);
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HH_SetBeamCmdVecB(cmd, vecB);
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continue;
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}
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if (!token.Icmp("SplineAddSinTimeScaled")) {
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const int intArg = src.ParseInt();
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const idVec3 vecB = HH_ParseBeamVec3(src);
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const idVec3 vecA = HH_ParseBeamVec3(src);
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beamCmd_t& cmd = HH_AllocBeamCmd(cmds[beamNum], HH_BEAMCMD_SPLINE_ADD_SIN_TIME_SCALED);
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HH_SetBeamCmdIntArg(cmd, intArg);
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HH_SetBeamCmdVecA(cmd, vecA);
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HH_SetBeamCmdVecB(cmd, vecB);
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continue;
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}
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if (!token.Icmp("ConvertSplineToNodes")) {
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HH_AllocBeamCmd(cmds[beamNum], HH_BEAMCMD_CONVERT_SPLINE_TO_NODES);
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continue;
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}
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if (!token.Icmp("NodeLinearToTarget")) {
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HH_AllocBeamCmd(cmds[beamNum], HH_BEAMCMD_NODE_LINEAR_TO_TARGET);
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continue;
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}
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if (!token.Icmp("NodeElectric")) {
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const idVec3 vecA = HH_ParseBeamVec3(src);
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beamCmd_t& cmd = HH_AllocBeamCmd(cmds[beamNum], HH_BEAMCMD_NODE_ELECTRIC);
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HH_SetBeamCmdVecA(cmd, vecA);
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continue;
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}
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common->FatalError("Unknown token %s\n", token.c_str());
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}
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}
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return true;
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} |