diff options
Diffstat (limited to 'Magic2/ModelFile3DS.cpp')
-rw-r--r-- | Magic2/ModelFile3DS.cpp | 590 |
1 files changed, 307 insertions, 283 deletions
diff --git a/Magic2/ModelFile3DS.cpp b/Magic2/ModelFile3DS.cpp index db309ba..7094f00 100644 --- a/Magic2/ModelFile3DS.cpp +++ b/Magic2/ModelFile3DS.cpp @@ -1,283 +1,307 @@ -/* Project Magic 2.0
- Destroyer Studios LLC
- Copyright © 1997-2004. All Rights Reserved.
-
- SUBSYSTEM: Magic.exe
- FILE: ModelFile3DS.cpp
- AUTHOR: John DiCamillo
-
-
- OVERVIEW
- ========
- File loader for 3DStudio MAX 3DS format models
-*/
-
-#include "stdafx.h"
-#include "Magic.h"
-#include "MagicDoc.h"
-#include "ModelFile3DS.h"
-
-#include "Bitmap.h"
-#include "Polygon.h"
-#include "Text.h"
-#include "List.h"
-#include "l3ds.h"
-
-// +--------------------------------------------------------------------+
-
-ModelFile3DS::ModelFile3DS(const char* fname)
- : ModelFile(fname)
-{
-}
-
-ModelFile3DS::~ModelFile3DS()
-{
-}
-
-// +--------------------------------------------------------------------+
-
-static int mcomp(const void* a, const void* b)
-{
- Poly* pa = (Poly*) a;
- Poly* pb = (Poly*) b;
-
- if (pa->sortval == pb->sortval)
- return 0;
-
- if (pa->sortval < pb->sortval)
- return 1;
-
- return -1;
-}
-
-bool
-ModelFile3DS::Load(Model* model, double scale)
-{
- if (model && scale > 0 && strlen(filename) > 0) {
- ModelFile::Load(model, scale);
-
- L3DS loader;
-
- if (!loader.LoadFile(filename)) {
- ::MessageBox(0, "3DS Import Failed: Magic could not open the file for reading", "ERROR", MB_OK);
- return false;
- }
-
- int ntex = 0;
- int nsurfs = 0;
- int nverts = 0;
- int npolys = 0;
- int nmatls = 0;
- int nmeshs = loader.GetMeshCount();
-
- int* mesh_verts = new int[nmeshs];
-
- for (int m = 0; m < nmeshs; m++) {
- LMesh& mesh = loader.GetMesh(m);
-
- mesh_verts[m] = nverts;
-
- // count verts and polys:
- nverts += mesh.GetVertexCount();
- npolys += mesh.GetTriangleCount();
- }
-
- if (nverts > Model::MAX_VERTS || npolys > Model::MAX_POLYS) {
- ::MessageBox(0, "3DS Import Failed: model was too large (max 16000 polys)", "ERROR", MB_OK);
- delete [] mesh_verts;
- return FALSE;
- }
-
- // get materials:
- nmatls = loader.GetMaterialCount();
-
- for (int i = 0; i < nmatls; i++) {
- LMaterial& matl = loader.GetMaterial(i);
- LMap& tex_diff = matl.GetTextureMap1();
- LMap& tex_spec = matl.GetSpecularMap();
- LMap& tex_bump = matl.GetBumpMap();
- LMap& tex_glow = matl.GetTextureMap2();
-
- Material* material = new Material;
-
- strncpy(material->name, matl.GetName().c_str(), Material::NAMELEN);
-
- material->Ka.Set( matl.GetAmbientColor().r,
- matl.GetAmbientColor().g,
- matl.GetAmbientColor().b );
-
- material->ambient_value = 1.0f;
- material->ambient_color = material->Ka.ToColor();
-
- material->Kd.Set( matl.GetDiffuseColor().r,
- matl.GetDiffuseColor().g,
- matl.GetDiffuseColor().b );
-
- material->diffuse_value = 1.0f;
- material->diffuse_color = material->Kd.ToColor();
-
- material->Ks.Set( matl.GetSpecularColor().r,
- matl.GetSpecularColor().g,
- matl.GetSpecularColor().b );
-
- material->specular_value = 1.0f;
- material->specular_color = material->Ks.ToColor();
-
- material->power = matl.GetShininess() * 100;
-
- if (tex_diff.mapName[0])
- LoadTexture(tex_diff.mapName, material->tex_diffuse);
-
- if (tex_spec.mapName[0])
- LoadTexture(tex_spec.mapName, material->tex_specular);
-
- if (tex_bump.mapName[0])
- LoadTexture(tex_bump.mapName, material->tex_bumpmap);
-
- if (tex_glow.mapName[0])
- LoadTexture(tex_glow.mapName, material->tex_emissive);
-
- model->GetMaterials().append(material);
- }
-
- Surface* surface = new Surface;
- model->GetSurfaces().append(surface);
-
- surface->CreateVerts(nverts);
- surface->CreatePolys(npolys);
-
- VertexSet* vset = surface->GetVertexSet();
- Poly* polys = surface->GetPolys();
- float radius = 0;
- int v = 0;
-
- for (int m = 0; m < nmeshs && v < nverts; m++) {
- LMesh& mesh = loader.GetMesh(m);
-
- // read vertex set:
- for (int i = 0; i < mesh.GetVertexCount() && v < nverts; i++) {
- vset->loc[v].x = mesh.GetVertex(i).x;
- vset->loc[v].y = mesh.GetVertex(i).z;
- vset->loc[v].z = mesh.GetVertex(i).y;
-
- vset->nrm[v].x = mesh.GetNormal(i).x;
- vset->nrm[v].y = mesh.GetNormal(i).z;
- vset->nrm[v].z = mesh.GetNormal(i).y;
-
- vset->tu[v] = mesh.GetUV(i).x;
- vset->tv[v] = mesh.GetUV(i).y;
-
- float d = vset->loc[v].length();
- if (d > radius)
- radius = d;
-
- v++;
- }
- }
-
- if (radius < 16) {
- model->ScaleBy(256.0f / radius);
- radius = 256.0f;
- }
-
- int n = 0;
-
- for (int m = 0; m < nmeshs && n < npolys; m++) {
- LMesh& mesh = loader.GetMesh(m);
-
- // read polys:
- int mesh_tris = mesh.GetTriangleCount();
- for (int i = 0; i < mesh_tris && n < npolys; i++) {
- Poly* p = surface->GetPolys() + n++;
- const LTriangle& tri = mesh.GetTriangle(i);
- LTriangle2 tri2 = mesh.GetTriangle2(i);
-
- p->nverts = 3;
-
- p->verts[0] = tri.a + mesh_verts[m];
- p->verts[1] = tri.b + mesh_verts[m];
- p->verts[2] = tri.c + mesh_verts[m];
-
- if (p->verts[0] > nverts || p->verts[1] > nverts || p->verts[2] > nverts) {
- p->verts[0] = 0;
- p->verts[1] = 1;
- p->verts[2] = 2;
- }
-
- if (tri2.vertexNormals[0] == tri2.vertexNormals[1] &&
- tri2.vertexNormals[0] == tri2.vertexNormals[2])
- p->flatness = 1.0f;
- else
- p->flatness = 0.0f;
-
- p->vertex_set = vset;
- p->material = model->GetMaterials()[ tri2.materialId ];
- p->sortval = tri2.materialId;
-
- p->plane = Plane(vset->loc[ p->verts[0] ],
- vset->loc[ p->verts[2] ],
- vset->loc[ p->verts[1] ]);
-
- surface->AddIndices(p->nverts);
- }
- }
-
- // sort the polys by material index:
- qsort((void*) polys, npolys, sizeof(Poly), mcomp);
-
- // then assign them to cohesive segments:
- Segment* segment = 0;
-
- for (int n = 0; n < npolys; n++) {
- if (segment && segment->material == polys[n].material) {
- segment->npolys++;
- }
- else {
- segment = 0;
- }
-
- if (!segment) {
- segment = new Segment;
-
- segment->npolys = 1;
- segment->polys = &polys[n];
- segment->material = segment->polys->material;
-
- surface->GetSegments().append(segment);
- }
- }
-
- *pnverts = nverts;
- *pnpolys = npolys;
- *pradius = radius;
-
- model->Normalize();
- return true;
- }
-
- return false;
-}
-
-// +--------------------------------------------------------------------+
-
-bool
-ModelFile3DS::Save(Model* m)
-{
- if (m) {
- ModelFile::Save(m);
-
- FILE* f = fopen(filename, "w");
- if (!f) {
- ::MessageBox(0, "3DS Export Failed: Magic could not open the file for writing", "ERROR", MB_OK);
- return false;
- }
-
- fclose(f);
-
- return true;
- }
-
- return false;
-}
-
-// +--------------------------------------------------------------------+
+/* Starshatter OpenSource Distribution + Copyright (c) 1997-2004, Destroyer Studios LLC. + All Rights Reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + * Neither the name "Destroyer Studios" nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + + SUBSYSTEM: Magic.exe + FILE: ModelFile3DS.cpp + AUTHOR: John DiCamillo + + + OVERVIEW + ======== + File loader for 3DStudio MAX 3DS format models +*/ + +#include "stdafx.h" +#include "Magic.h" +#include "MagicDoc.h" +#include "ModelFile3DS.h" + +#include "Bitmap.h" +#include "Polygon.h" +#include "Text.h" +#include "List.h" +#include "l3ds.h" + +// +--------------------------------------------------------------------+ + +ModelFile3DS::ModelFile3DS(const char* fname) + : ModelFile(fname) +{ +} + +ModelFile3DS::~ModelFile3DS() +{ +} + +// +--------------------------------------------------------------------+ + +static int mcomp(const void* a, const void* b) +{ + Poly* pa = (Poly*) a; + Poly* pb = (Poly*) b; + + if (pa->sortval == pb->sortval) + return 0; + + if (pa->sortval < pb->sortval) + return 1; + + return -1; +} + +bool +ModelFile3DS::Load(Model* model, double scale) +{ + if (model && scale > 0 && strlen(filename) > 0) { + ModelFile::Load(model, scale); + + L3DS loader; + + if (!loader.LoadFile(filename)) { + ::MessageBox(0, "3DS Import Failed: Magic could not open the file for reading", "ERROR", MB_OK); + return false; + } + + int ntex = 0; + int nsurfs = 0; + int nverts = 0; + int npolys = 0; + int nmatls = 0; + int nmeshs = loader.GetMeshCount(); + + int* mesh_verts = new int[nmeshs]; + + for (int m = 0; m < nmeshs; m++) { + LMesh& mesh = loader.GetMesh(m); + + mesh_verts[m] = nverts; + + // count verts and polys: + nverts += mesh.GetVertexCount(); + npolys += mesh.GetTriangleCount(); + } + + if (nverts > Model::MAX_VERTS || npolys > Model::MAX_POLYS) { + ::MessageBox(0, "3DS Import Failed: model was too large (max 16000 polys)", "ERROR", MB_OK); + delete [] mesh_verts; + return FALSE; + } + + // get materials: + nmatls = loader.GetMaterialCount(); + + for (int i = 0; i < nmatls; i++) { + LMaterial& matl = loader.GetMaterial(i); + LMap& tex_diff = matl.GetTextureMap1(); + LMap& tex_spec = matl.GetSpecularMap(); + LMap& tex_bump = matl.GetBumpMap(); + LMap& tex_glow = matl.GetTextureMap2(); + + Material* material = new Material; + + strncpy(material->name, matl.GetName().c_str(), Material::NAMELEN); + + material->Ka.Set( matl.GetAmbientColor().r, + matl.GetAmbientColor().g, + matl.GetAmbientColor().b ); + + material->ambient_value = 1.0f; + material->ambient_color = material->Ka.ToColor(); + + material->Kd.Set( matl.GetDiffuseColor().r, + matl.GetDiffuseColor().g, + matl.GetDiffuseColor().b ); + + material->diffuse_value = 1.0f; + material->diffuse_color = material->Kd.ToColor(); + + material->Ks.Set( matl.GetSpecularColor().r, + matl.GetSpecularColor().g, + matl.GetSpecularColor().b ); + + material->specular_value = 1.0f; + material->specular_color = material->Ks.ToColor(); + + material->power = matl.GetShininess() * 100; + + if (tex_diff.mapName[0]) + LoadTexture(tex_diff.mapName, material->tex_diffuse); + + if (tex_spec.mapName[0]) + LoadTexture(tex_spec.mapName, material->tex_specular); + + if (tex_bump.mapName[0]) + LoadTexture(tex_bump.mapName, material->tex_bumpmap); + + if (tex_glow.mapName[0]) + LoadTexture(tex_glow.mapName, material->tex_emissive); + + model->GetMaterials().append(material); + } + + Surface* surface = new Surface; + model->GetSurfaces().append(surface); + + surface->CreateVerts(nverts); + surface->CreatePolys(npolys); + + VertexSet* vset = surface->GetVertexSet(); + Poly* polys = surface->GetPolys(); + float radius = 0; + int v = 0; + + for (int m = 0; m < nmeshs && v < nverts; m++) { + LMesh& mesh = loader.GetMesh(m); + + // read vertex set: + for (int i = 0; i < mesh.GetVertexCount() && v < nverts; i++) { + vset->loc[v].x = mesh.GetVertex(i).x; + vset->loc[v].y = mesh.GetVertex(i).z; + vset->loc[v].z = mesh.GetVertex(i).y; + + vset->nrm[v].x = mesh.GetNormal(i).x; + vset->nrm[v].y = mesh.GetNormal(i).z; + vset->nrm[v].z = mesh.GetNormal(i).y; + + vset->tu[v] = mesh.GetUV(i).x; + vset->tv[v] = mesh.GetUV(i).y; + + float d = vset->loc[v].length(); + if (d > radius) + radius = d; + + v++; + } + } + + if (radius < 16) { + model->ScaleBy(256.0f / radius); + radius = 256.0f; + } + + int n = 0; + + for (int m = 0; m < nmeshs && n < npolys; m++) { + LMesh& mesh = loader.GetMesh(m); + + // read polys: + int mesh_tris = mesh.GetTriangleCount(); + for (int i = 0; i < mesh_tris && n < npolys; i++) { + Poly* p = surface->GetPolys() + n++; + const LTriangle& tri = mesh.GetTriangle(i); + LTriangle2 tri2 = mesh.GetTriangle2(i); + + p->nverts = 3; + + p->verts[0] = tri.a + mesh_verts[m]; + p->verts[1] = tri.b + mesh_verts[m]; + p->verts[2] = tri.c + mesh_verts[m]; + + if (p->verts[0] > nverts || p->verts[1] > nverts || p->verts[2] > nverts) { + p->verts[0] = 0; + p->verts[1] = 1; + p->verts[2] = 2; + } + + if (tri2.vertexNormals[0] == tri2.vertexNormals[1] && + tri2.vertexNormals[0] == tri2.vertexNormals[2]) + p->flatness = 1.0f; + else + p->flatness = 0.0f; + + p->vertex_set = vset; + p->material = model->GetMaterials()[ tri2.materialId ]; + p->sortval = tri2.materialId; + + p->plane = Plane(vset->loc[ p->verts[0] ], + vset->loc[ p->verts[2] ], + vset->loc[ p->verts[1] ]); + + surface->AddIndices(p->nverts); + } + } + + // sort the polys by material index: + qsort((void*) polys, npolys, sizeof(Poly), mcomp); + + // then assign them to cohesive segments: + Segment* segment = 0; + + for (int n = 0; n < npolys; n++) { + if (segment && segment->material == polys[n].material) { + segment->npolys++; + } + else { + segment = 0; + } + + if (!segment) { + segment = new Segment; + + segment->npolys = 1; + segment->polys = &polys[n]; + segment->material = segment->polys->material; + + surface->GetSegments().append(segment); + } + } + + *pnverts = nverts; + *pnpolys = npolys; + *pradius = radius; + + model->Normalize(); + return true; + } + + return false; +} + +// +--------------------------------------------------------------------+ + +bool +ModelFile3DS::Save(Model* m) +{ + if (m) { + ModelFile::Save(m); + + FILE* f = fopen(filename, "w"); + if (!f) { + ::MessageBox(0, "3DS Export Failed: Magic could not open the file for writing", "ERROR", MB_OK); + return false; + } + + fclose(f); + + return true; + } + + return false; +} + +// +--------------------------------------------------------------------+ |