+++ /dev/null
-/*
-Copyright (C) 2001-2006, William Joseph.
-All Rights Reserved.
-
-This file is part of GtkRadiant.
-
-GtkRadiant is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-GtkRadiant is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GtkRadiant; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-*/
-
-#include "mdc.h"
-
-#include "ifilesystem.h"
-#include "imodel.h"
-
-#include "imagelib.h"
-#include "bytestreamutils.h"
-
-#include "model.h"
-#include "ident.h"
-#include "md3normals.h"
-
-
-const unsigned char MDC_IDENT[4] = { 'I', 'D', 'P', 'C', };
-const float MDC_XYZ_SCALE = 0.015625f;
-#define MAX_QPATH 64 // max length of a quake game pathname
-
-typedef float float3[3];
-
-struct mdcTriangle_t
-{
- unsigned int indexes[3]; // not my spelling
-};
-
-void istream_read_mdcTriangle(PointerInputStream& inputStream, mdcTriangle_t& triangle)
-{
- triangle.indexes[0] = istream_read_uint32_le(inputStream);
- triangle.indexes[1] = istream_read_uint32_le(inputStream);
- triangle.indexes[2] = istream_read_uint32_le(inputStream);
-}
-
-struct mdcXyzNormal_t
-{
- short xyz[3]; // divide by 64
- short normal; // packed same way as md3
-};
-
-void istream_read_mdcXyzNormal(PointerInputStream& inputStream, mdcXyzNormal_t& xyz)
-{
- xyz.xyz[0] = istream_read_int16_le(inputStream);
- xyz.xyz[1] = istream_read_int16_le(inputStream);
- xyz.xyz[2] = istream_read_int16_le(inputStream);
- xyz.normal = istream_read_int16_le(inputStream);
-}
-
-struct mdcSt_t
-{
- float st[2]; // may need to reverse t
-};
-
-void istream_read_mdcSt(PointerInputStream& inputStream, mdcSt_t& st)
-{
- st.st[0] = istream_read_float32_le(inputStream);
- st.st[1] = istream_read_float32_le(inputStream);
-}
-
-struct mdcShader_t
-{
- char name[MAX_QPATH];
- unsigned int flags;
-};
-
-void istream_read_mdcShader(PointerInputStream& inputStream, mdcShader_t& shader)
-{
- inputStream.read(reinterpret_cast<byte*>(shader.name), MAX_QPATH);
- shader.flags = istream_read_uint32_le(inputStream);
-}
-
-struct mdcTagName_t
-{
- char name[MAX_QPATH];
-};
-
-struct mdcTagFrame_t
-{
- short xyz[3]; // divide by 64
- short angles[3]; // euler in z x y order... deg = * (360.0 / 32767.0) .. rad = * (PI / 32767.0)
-};
-
-struct mdcFrame_t
-{
- float3 bboxMin;
- float3 bboxMax;
- float3 localOrigin;
- float radius;
- char name[16];
-};
-
-struct mdcSurface_t
-{
- byte ident[4];
- char name[MAX_QPATH];
- unsigned int flags;
- unsigned int numCompFrames;
- unsigned int numBaseFrames;
- unsigned int numShaders;
- unsigned int numVerts;
- unsigned int numTriangles;
- unsigned int ofsTriangles;
- unsigned int ofsShaders;
- unsigned int ofsSt;
- unsigned int ofsXyzNormals;
- unsigned int ofsCompVerts;
- unsigned int ofsFrameBaseFrames;
- unsigned int ofsFrameCompFrames;
- unsigned int ofsEnd;
-};
-
-void istream_read_mdcSurface(PointerInputStream& inputStream, mdcSurface_t& surface)
-{
- inputStream.read(surface.ident, 4);
- inputStream.read(reinterpret_cast<byte*>(surface.name), MAX_QPATH);
- surface.flags = istream_read_uint32_le(inputStream);
- surface.numCompFrames = istream_read_uint32_le(inputStream);
- surface.numBaseFrames = istream_read_uint32_le(inputStream);
- surface.numShaders = istream_read_uint32_le(inputStream);
- surface.numVerts = istream_read_uint32_le(inputStream);
- surface.numTriangles = istream_read_uint32_le(inputStream);
- surface.ofsTriangles = istream_read_uint32_le(inputStream);
- surface.ofsShaders = istream_read_uint32_le(inputStream);
- surface.ofsSt = istream_read_uint32_le(inputStream);
- surface.ofsXyzNormals = istream_read_uint32_le(inputStream);
- surface.ofsCompVerts = istream_read_uint32_le(inputStream);
- surface.ofsFrameBaseFrames = istream_read_uint32_le(inputStream);
- surface.ofsFrameCompFrames = istream_read_uint32_le(inputStream);
- surface.ofsEnd = istream_read_uint32_le(inputStream);
-}
-
-struct mdcHeader_t
-{
- byte ident[4];
- unsigned int version;
- char name[MAX_QPATH];
- unsigned int flags;
- unsigned int numFrames;
- unsigned int numTags;
- unsigned int numSurfaces;
- unsigned int numSkins;
- unsigned int ofsFrames;
- unsigned int ofsTagNames;
- unsigned int ofsTags;
- unsigned int ofsSurfaces;
- unsigned int ofsEnd;
-};
-
-void istream_read_mdcHeader(PointerInputStream& inputStream, mdcHeader_t& header)
-{
- inputStream.read(header.ident, 4);
- header.version = istream_read_uint32_le(inputStream);
- inputStream.read(reinterpret_cast<byte*>(header.name), MAX_QPATH);
- header.flags = istream_read_uint32_le(inputStream);
- header.numFrames = istream_read_uint32_le(inputStream);
- header.numTags = istream_read_uint32_le(inputStream);
- header.numSurfaces = istream_read_uint32_le(inputStream);
- header.numSkins = istream_read_uint32_le(inputStream);
- header.ofsFrames = istream_read_uint32_le(inputStream);
- header.ofsTagNames = istream_read_uint32_le(inputStream);
- header.ofsTags = istream_read_uint32_le(inputStream);
- header.ofsSurfaces = istream_read_uint32_le(inputStream);
- header.ofsEnd = istream_read_uint32_le(inputStream);
-}
-
-unsigned int MDCSurface_read(Surface& surface, const byte* buffer)
-{
- mdcSurface_t mdcSurface;
- {
- PointerInputStream inputStream(buffer);
- istream_read_mdcSurface(inputStream, mdcSurface);
- }
-
- {
- surface.vertices().reserve(mdcSurface.numVerts);
-
- PointerInputStream xyzStream(buffer + mdcSurface.ofsXyzNormals);
- PointerInputStream stStream(buffer + mdcSurface.ofsSt);
- // read verts into vertex array - xyz, st, normal
- for(std::size_t i = 0; i < mdcSurface.numVerts; i++)
- {
- mdcXyzNormal_t mdcXyzNormal;
- istream_read_mdcXyzNormal(xyzStream, mdcXyzNormal);
- mdcSt_t mdcSt;
- istream_read_mdcSt(stStream, mdcSt);
-
- surface.vertices().push_back(
- ArbitraryMeshVertex(
- Vertex3f( mdcXyzNormal.xyz[0] * MDC_XYZ_SCALE, mdcXyzNormal.xyz[1] * MDC_XYZ_SCALE, mdcXyzNormal.xyz[2] * MDC_XYZ_SCALE),
- DecodeNormal(reinterpret_cast<byte*>(&mdcXyzNormal.normal)),
- TexCoord2f(mdcSt.st[0], mdcSt.st[1])
- )
- );
- }
- }
-
- {
- surface.indices().reserve(mdcSurface.numTriangles * 3);
-
- PointerInputStream triangleStream(buffer + mdcSurface.ofsTriangles);
-
- for(std::size_t i = 0; i < mdcSurface.numTriangles; i++)
- {
- mdcTriangle_t triangle;
- istream_read_mdcTriangle(triangleStream, triangle);
- surface.indices().insert(triangle.indexes[0]);
- surface.indices().insert(triangle.indexes[1]);
- surface.indices().insert(triangle.indexes[2]);
- }
- }
-
- {
- mdcShader_t shader;
- PointerInputStream inputStream(buffer + mdcSurface.ofsShaders);
- istream_read_mdcShader(inputStream, shader);
- surface.setShader(shader.name);
- }
-
- surface.updateAABB();
-
- return mdcSurface.ofsEnd;
-}
-
-void MDCModel_read(Model& model, const byte* buffer)
-{
- mdcHeader_t header;
- {
- PointerInputStream inputStream(buffer);
- istream_read_mdcHeader(inputStream, header);
- }
-
- const byte* surfacePosition = buffer + header.ofsSurfaces;
-
- for(std::size_t i = 0; i < header.numSurfaces; i++)
- {
- surfacePosition += MDCSurface_read(model.newSurface(), surfacePosition);
- }
-
- model.updateAABB();
-}
-
-scene::Node& MDCModel_new(const byte* buffer)
-{
- ModelNode* modelNode = new ModelNode();
- MDCModel_read(modelNode->model(), buffer);
- return modelNode->node();
-}
-
-scene::Node& MDCModel_default()
-{
- ModelNode* modelNode = new ModelNode();
- Model_constructNull(modelNode->model());
- return modelNode->node();
-}
-
-scene::Node& MDCModel_fromBuffer(unsigned char* buffer)
-{
- if (!ident_equal(buffer, MDC_IDENT))
- {
- globalErrorStream() << "MDC read error: incorrect ident\n";
- return MDCModel_default();
- }
- else
- {
- return MDCModel_new(buffer);
- }
-}
-
-scene::Node& loadMDCModel(ArchiveFile& file)
-{
- ScopedArchiveBuffer buffer(file);
- return MDCModel_fromBuffer(buffer.buffer);
-}
-
projects / voretournament / voretournament.git / blobdiff