742 lines
25 KiB
C
742 lines
25 KiB
C
/* -----------------------------------------------------------------------------
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PicoModel Library
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Copyright (c) 2002, Randy Reddig & seaw0lf
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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Redistributions of source code must retain the above copyright notice, this list
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of conditions and the following disclaimer.
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Redistributions in binary form must reproduce the above copyright notice, this
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list of conditions and the following disclaimer in the documentation and/or
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other materials provided with the distribution.
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Neither the names of the copyright holders nor the names of its contributors may
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be used to endorse or promote products derived from this software without
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specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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----------------------------------------------------------------------------- */
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/* dependencies */
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#include "picointernal.h"
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/* mdc model format */
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const char *MDC_MAGIC = "IDPC";
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const int MDC_VERSION = 2;
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/* mdc vertex scale */
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const float MDC_SCALE = ( 1.0f / 64.0f );
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const float MDC_MAX_OFS = 127.0f;
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const float MDC_DIST_SCALE = 0.05f;
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/* mdc decoding normal table */
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double mdcNormals[ 256 ][ 3 ] =
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{
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{ 1.000000, 0.000000, 0.000000 },
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{ 0.980785, 0.195090, 0.000000 },
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{ 0.923880, 0.382683, 0.000000 },
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{ 0.831470, 0.555570, 0.000000 },
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{ 0.707107, 0.707107, 0.000000 },
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{ 0.555570, 0.831470, 0.000000 },
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{ 0.382683, 0.923880, 0.000000 },
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{ 0.195090, 0.980785, 0.000000 },
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{ -0.000000, 1.000000, 0.000000 },
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{ -0.195090, 0.980785, 0.000000 },
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{ -0.382683, 0.923880, 0.000000 },
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{ -0.555570, 0.831470, 0.000000 },
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{ -0.707107, 0.707107, 0.000000 },
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{ -0.831470, 0.555570, 0.000000 },
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{ -0.923880, 0.382683, 0.000000 },
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{ -0.980785, 0.195090, 0.000000 },
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{ -1.000000, -0.000000, 0.000000 },
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{ -0.980785, -0.195090, 0.000000 },
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{ -0.923880, -0.382683, 0.000000 },
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{ -0.831470, -0.555570, 0.000000 },
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{ -0.707107, -0.707107, 0.000000 },
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{ -0.555570, -0.831469, 0.000000 },
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{ -0.382684, -0.923880, 0.000000 },
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{ -0.195090, -0.980785, 0.000000 },
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{ 0.000000, -1.000000, 0.000000 },
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{ 0.195090, -0.980785, 0.000000 },
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{ 0.382684, -0.923879, 0.000000 },
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{ 0.555570, -0.831470, 0.000000 },
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{ 0.707107, -0.707107, 0.000000 },
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{ 0.831470, -0.555570, 0.000000 },
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{ 0.923880, -0.382683, 0.000000 },
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{ 0.980785, -0.195090, 0.000000 },
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{ 0.980785, 0.000000, -0.195090 },
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{ 0.956195, 0.218245, -0.195090 },
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{ 0.883657, 0.425547, -0.195090 },
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{ 0.766809, 0.611510, -0.195090 },
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{ 0.611510, 0.766809, -0.195090 },
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{ 0.425547, 0.883657, -0.195090 },
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{ 0.218245, 0.956195, -0.195090 },
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{ -0.000000, 0.980785, -0.195090 },
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{ -0.218245, 0.956195, -0.195090 },
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{ -0.425547, 0.883657, -0.195090 },
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{ -0.611510, 0.766809, -0.195090 },
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{ -0.766809, 0.611510, -0.195090 },
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{ -0.883657, 0.425547, -0.195090 },
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{ -0.956195, 0.218245, -0.195090 },
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{ -0.980785, -0.000000, -0.195090 },
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{ -0.956195, -0.218245, -0.195090 },
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{ -0.883657, -0.425547, -0.195090 },
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{ -0.766809, -0.611510, -0.195090 },
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{ -0.611510, -0.766809, -0.195090 },
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{ -0.425547, -0.883657, -0.195090 },
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{ -0.218245, -0.956195, -0.195090 },
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{ 0.000000, -0.980785, -0.195090 },
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{ 0.218245, -0.956195, -0.195090 },
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{ 0.425547, -0.883657, -0.195090 },
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{ 0.611510, -0.766809, -0.195090 },
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{ 0.766809, -0.611510, -0.195090 },
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{ 0.883657, -0.425547, -0.195090 },
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{ 0.956195, -0.218245, -0.195090 },
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{ 0.923880, 0.000000, -0.382683 },
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{ 0.892399, 0.239118, -0.382683 },
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{ 0.800103, 0.461940, -0.382683 },
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{ 0.653281, 0.653281, -0.382683 },
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{ 0.461940, 0.800103, -0.382683 },
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{ 0.239118, 0.892399, -0.382683 },
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{ -0.000000, 0.923880, -0.382683 },
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{ -0.239118, 0.892399, -0.382683 },
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{ -0.461940, 0.800103, -0.382683 },
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{ -0.653281, 0.653281, -0.382683 },
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{ -0.800103, 0.461940, -0.382683 },
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{ -0.892399, 0.239118, -0.382683 },
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{ -0.923880, -0.000000, -0.382683 },
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{ -0.892399, -0.239118, -0.382683 },
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{ -0.800103, -0.461940, -0.382683 },
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{ -0.653282, -0.653281, -0.382683 },
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{ -0.461940, -0.800103, -0.382683 },
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{ -0.239118, -0.892399, -0.382683 },
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{ 0.000000, -0.923880, -0.382683 },
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{ 0.239118, -0.892399, -0.382683 },
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{ 0.461940, -0.800103, -0.382683 },
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{ 0.653281, -0.653282, -0.382683 },
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{ 0.800103, -0.461940, -0.382683 },
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{ 0.892399, -0.239117, -0.382683 },
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{ 0.831470, 0.000000, -0.555570 },
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{ 0.790775, 0.256938, -0.555570 },
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{ 0.672673, 0.488726, -0.555570 },
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{ 0.488726, 0.672673, -0.555570 },
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{ 0.256938, 0.790775, -0.555570 },
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{ -0.000000, 0.831470, -0.555570 },
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{ -0.256938, 0.790775, -0.555570 },
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{ -0.488726, 0.672673, -0.555570 },
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{ -0.672673, 0.488726, -0.555570 },
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{ -0.790775, 0.256938, -0.555570 },
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{ -0.831470, -0.000000, -0.555570 },
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{ -0.790775, -0.256938, -0.555570 },
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{ -0.672673, -0.488726, -0.555570 },
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{ -0.488725, -0.672673, -0.555570 },
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{ -0.256938, -0.790775, -0.555570 },
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{ 0.000000, -0.831470, -0.555570 },
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{ 0.256938, -0.790775, -0.555570 },
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{ 0.488725, -0.672673, -0.555570 },
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{ 0.672673, -0.488726, -0.555570 },
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{ 0.790775, -0.256938, -0.555570 },
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{ 0.707107, 0.000000, -0.707107 },
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{ 0.653281, 0.270598, -0.707107 },
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{ 0.500000, 0.500000, -0.707107 },
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{ 0.270598, 0.653281, -0.707107 },
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{ -0.000000, 0.707107, -0.707107 },
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{ -0.270598, 0.653282, -0.707107 },
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{ -0.500000, 0.500000, -0.707107 },
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{ -0.653281, 0.270598, -0.707107 },
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{ -0.707107, -0.000000, -0.707107 },
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{ -0.653281, -0.270598, -0.707107 },
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{ -0.500000, -0.500000, -0.707107 },
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{ -0.270598, -0.653281, -0.707107 },
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{ 0.000000, -0.707107, -0.707107 },
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{ 0.270598, -0.653281, -0.707107 },
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{ 0.500000, -0.500000, -0.707107 },
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{ 0.653282, -0.270598, -0.707107 },
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{ 0.555570, 0.000000, -0.831470 },
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{ 0.481138, 0.277785, -0.831470 },
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{ 0.277785, 0.481138, -0.831470 },
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{ -0.000000, 0.555570, -0.831470 },
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{ -0.277785, 0.481138, -0.831470 },
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{ -0.481138, 0.277785, -0.831470 },
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{ -0.555570, -0.000000, -0.831470 },
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{ -0.481138, -0.277785, -0.831470 },
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{ -0.277785, -0.481138, -0.831470 },
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{ 0.000000, -0.555570, -0.831470 },
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{ 0.277785, -0.481138, -0.831470 },
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{ 0.481138, -0.277785, -0.831470 },
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{ 0.382683, 0.000000, -0.923880 },
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{ 0.270598, 0.270598, -0.923880 },
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{ -0.000000, 0.382683, -0.923880 },
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{ -0.270598, 0.270598, -0.923880 },
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{ -0.382683, -0.000000, -0.923880 },
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{ -0.270598, -0.270598, -0.923880 },
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{ 0.000000, -0.382683, -0.923880 },
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{ 0.270598, -0.270598, -0.923880 },
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{ 0.195090, 0.000000, -0.980785 },
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{ -0.000000, 0.195090, -0.980785 },
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{ -0.195090, -0.000000, -0.980785 },
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{ 0.000000, -0.195090, -0.980785 },
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{ 0.980785, 0.000000, 0.195090 },
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{ 0.956195, 0.218245, 0.195090 },
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{ 0.883657, 0.425547, 0.195090 },
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{ 0.766809, 0.611510, 0.195090 },
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{ 0.611510, 0.766809, 0.195090 },
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{ 0.425547, 0.883657, 0.195090 },
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{ 0.218245, 0.956195, 0.195090 },
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{ -0.000000, 0.980785, 0.195090 },
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{ -0.218245, 0.956195, 0.195090 },
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{ -0.425547, 0.883657, 0.195090 },
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{ -0.611510, 0.766809, 0.195090 },
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{ -0.766809, 0.611510, 0.195090 },
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{ -0.883657, 0.425547, 0.195090 },
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{ -0.956195, 0.218245, 0.195090 },
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{ -0.980785, -0.000000, 0.195090 },
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{ -0.956195, -0.218245, 0.195090 },
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{ -0.883657, -0.425547, 0.195090 },
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{ -0.766809, -0.611510, 0.195090 },
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{ -0.611510, -0.766809, 0.195090 },
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{ -0.425547, -0.883657, 0.195090 },
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{ -0.218245, -0.956195, 0.195090 },
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{ 0.000000, -0.980785, 0.195090 },
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{ 0.218245, -0.956195, 0.195090 },
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{ 0.425547, -0.883657, 0.195090 },
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{ 0.611510, -0.766809, 0.195090 },
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{ 0.766809, -0.611510, 0.195090 },
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{ 0.883657, -0.425547, 0.195090 },
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{ 0.956195, -0.218245, 0.195090 },
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{ 0.923880, 0.000000, 0.382683 },
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{ 0.892399, 0.239118, 0.382683 },
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{ 0.800103, 0.461940, 0.382683 },
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{ 0.653281, 0.653281, 0.382683 },
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{ 0.461940, 0.800103, 0.382683 },
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{ 0.239118, 0.892399, 0.382683 },
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{ -0.000000, 0.923880, 0.382683 },
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{ -0.239118, 0.892399, 0.382683 },
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{ -0.461940, 0.800103, 0.382683 },
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{ -0.653281, 0.653281, 0.382683 },
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{ -0.800103, 0.461940, 0.382683 },
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{ -0.892399, 0.239118, 0.382683 },
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{ -0.923880, -0.000000, 0.382683 },
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{ -0.892399, -0.239118, 0.382683 },
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{ -0.800103, -0.461940, 0.382683 },
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{ -0.653282, -0.653281, 0.382683 },
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{ -0.461940, -0.800103, 0.382683 },
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{ -0.239118, -0.892399, 0.382683 },
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{ 0.000000, -0.923880, 0.382683 },
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{ 0.239118, -0.892399, 0.382683 },
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{ 0.461940, -0.800103, 0.382683 },
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{ 0.653281, -0.653282, 0.382683 },
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{ 0.800103, -0.461940, 0.382683 },
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{ 0.892399, -0.239117, 0.382683 },
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{ 0.831470, 0.000000, 0.555570 },
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{ 0.790775, 0.256938, 0.555570 },
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{ 0.672673, 0.488726, 0.555570 },
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{ 0.488726, 0.672673, 0.555570 },
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{ 0.256938, 0.790775, 0.555570 },
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{ -0.000000, 0.831470, 0.555570 },
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{ -0.256938, 0.790775, 0.555570 },
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{ -0.488726, 0.672673, 0.555570 },
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{ -0.672673, 0.488726, 0.555570 },
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{ -0.790775, 0.256938, 0.555570 },
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{ -0.831470, -0.000000, 0.555570 },
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{ -0.790775, -0.256938, 0.555570 },
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{ -0.672673, -0.488726, 0.555570 },
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{ -0.488725, -0.672673, 0.555570 },
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{ -0.256938, -0.790775, 0.555570 },
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{ 0.000000, -0.831470, 0.555570 },
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{ 0.256938, -0.790775, 0.555570 },
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{ 0.488725, -0.672673, 0.555570 },
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{ 0.672673, -0.488726, 0.555570 },
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{ 0.790775, -0.256938, 0.555570 },
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{ 0.707107, 0.000000, 0.707107 },
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{ 0.653281, 0.270598, 0.707107 },
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{ 0.500000, 0.500000, 0.707107 },
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{ 0.270598, 0.653281, 0.707107 },
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{ -0.000000, 0.707107, 0.707107 },
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{ -0.270598, 0.653282, 0.707107 },
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{ -0.500000, 0.500000, 0.707107 },
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{ -0.653281, 0.270598, 0.707107 },
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{ -0.707107, -0.000000, 0.707107 },
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{ -0.653281, -0.270598, 0.707107 },
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{ -0.500000, -0.500000, 0.707107 },
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{ -0.270598, -0.653281, 0.707107 },
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{ 0.000000, -0.707107, 0.707107 },
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{ 0.270598, -0.653281, 0.707107 },
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{ 0.500000, -0.500000, 0.707107 },
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{ 0.653282, -0.270598, 0.707107 },
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{ 0.555570, 0.000000, 0.831470 },
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{ 0.481138, 0.277785, 0.831470 },
|
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{ 0.277785, 0.481138, 0.831470 },
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{ -0.000000, 0.555570, 0.831470 },
|
|
{ -0.277785, 0.481138, 0.831470 },
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|
{ -0.481138, 0.277785, 0.831470 },
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{ -0.555570, -0.000000, 0.831470 },
|
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{ -0.481138, -0.277785, 0.831470 },
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{ -0.277785, -0.481138, 0.831470 },
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{ 0.000000, -0.555570, 0.831470 },
|
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{ 0.277785, -0.481138, 0.831470 },
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{ 0.481138, -0.277785, 0.831470 },
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{ 0.382683, 0.000000, 0.923880 },
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{ 0.270598, 0.270598, 0.923880 },
|
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{ -0.000000, 0.382683, 0.923880 },
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{ -0.270598, 0.270598, 0.923880 },
|
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{ -0.382683, -0.000000, 0.923880 },
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{ -0.270598, -0.270598, 0.923880 },
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{ 0.000000, -0.382683, 0.923880 },
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{ 0.270598, -0.270598, 0.923880 },
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{ 0.195090, 0.000000, 0.980785 },
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{ -0.000000, 0.195090, 0.980785 },
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{ -0.195090, -0.000000, 0.980785 },
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{ 0.000000, -0.195090, 0.980785 }
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};
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/* mdc model frame information */
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typedef struct mdcFrame_s
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{
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float bounds[ 2 ][ 3 ];
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float localOrigin[ 3 ];
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float radius;
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char creator[ 16 ];
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}
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mdcFrame_t;
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/* mdc model tag information */
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typedef struct mdcTag_s
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{
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short xyz[3];
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short angles[3];
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}
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mdcTag_t;
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/* mdc surface mdc (one object mesh) */
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typedef struct mdcSurface_s
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{
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char magic[ 4 ];
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char name[ 64 ]; /* polyset name */
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int flags;
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int numCompFrames; /* all surfaces in a model should have the same */
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int numBaseFrames; /* ditto */
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int numShaders; /* all model surfaces should have the same */
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int numVerts;
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int numTriangles;
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int ofsTriangles;
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int ofsShaders; /* offset from start of mdcSurface_t */
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int ofsSt; /* texture coords are common for all frames */
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int ofsXyzNormals; /* numVerts * numBaseFrames */
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int ofsXyzCompressed; /* numVerts * numCompFrames */
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|
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int ofsFrameBaseFrames; /* numFrames */
|
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int ofsFrameCompFrames; /* numFrames */
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int ofsEnd; /* next surface follows */
|
|
}
|
|
mdcSurface_t;
|
|
|
|
typedef struct mdcShader_s
|
|
{
|
|
char name[ 64 ];
|
|
int shaderIndex; /* for ingame use */
|
|
}
|
|
mdcShader_t;
|
|
|
|
typedef struct mdcTriangle_s
|
|
{
|
|
int indexes[ 3 ];
|
|
}
|
|
mdcTriangle_t;
|
|
|
|
typedef struct mdcTexCoord_s
|
|
{
|
|
float st[ 2 ];
|
|
}
|
|
mdcTexCoord_t;
|
|
|
|
typedef struct mdcVertex_s
|
|
{
|
|
short xyz[ 3 ];
|
|
short normal;
|
|
}
|
|
mdcVertex_t;
|
|
|
|
typedef struct mdcXyzCompressed_s
|
|
{
|
|
unsigned int ofsVec; /* offset direction from the last base frame */
|
|
}
|
|
mdcXyzCompressed_t;
|
|
|
|
|
|
/* mdc model file mdc structure */
|
|
typedef struct mdc_s
|
|
{
|
|
char magic[ 4 ]; /* MDC_MAGIC */
|
|
int version;
|
|
char name[ 64 ]; /* model name */
|
|
int flags;
|
|
int numFrames;
|
|
int numTags;
|
|
int numSurfaces;
|
|
int numSkins; /* number of skins for the mesh */
|
|
int ofsFrames; /* offset for first frame */
|
|
int ofsTagNames; /* numTags */
|
|
int ofsTags; /* numFrames * numTags */
|
|
int ofsSurfaces; /* first surface, others follow */
|
|
int ofsEnd; /* end of file */
|
|
}
|
|
mdc_t;
|
|
|
|
|
|
|
|
|
|
/*
|
|
_mdc_canload()
|
|
validates a Return to Castle Wolfenstein model file. btw, i use the
|
|
preceding underscore cause it's a static func referenced
|
|
by one structure only.
|
|
*/
|
|
|
|
static int _mdc_canload( PM_PARAMS_CANLOAD ){
|
|
const mdc_t *mdc;
|
|
|
|
|
|
/* sanity check */
|
|
if ( (size_t) bufSize < ( sizeof( *mdc ) * 2 ) ) {
|
|
return PICO_PMV_ERROR_SIZE;
|
|
}
|
|
|
|
/* set as mdc */
|
|
mdc = (const mdc_t*) buffer;
|
|
|
|
/* check mdc magic */
|
|
if ( *( (const int*) mdc->magic ) != *( (const int*) MDC_MAGIC ) ) {
|
|
return PICO_PMV_ERROR_IDENT;
|
|
}
|
|
|
|
/* check mdc version */
|
|
if ( _pico_little_long( mdc->version ) != MDC_VERSION ) {
|
|
return PICO_PMV_ERROR_VERSION;
|
|
}
|
|
|
|
/* file seems to be a valid mdc */
|
|
return PICO_PMV_OK;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
_mdc_load()
|
|
loads a Return to Castle Wolfenstein mdc model file.
|
|
*/
|
|
|
|
static picoModel_t *_mdc_load( PM_PARAMS_LOAD ){
|
|
int i, j;
|
|
picoByte_t *bb, *bb0;
|
|
mdc_t *mdc;
|
|
mdcSurface_t *surface;
|
|
mdcShader_t *shader;
|
|
mdcTexCoord_t *texCoord;
|
|
mdcFrame_t *frame;
|
|
mdcTriangle_t *triangle;
|
|
mdcVertex_t *vertex;
|
|
mdcXyzCompressed_t *vertexComp = NULL;
|
|
short *mdcShort, *mdcCompVert = NULL;
|
|
double lat, lng;
|
|
|
|
picoModel_t *picoModel;
|
|
picoSurface_t *picoSurface;
|
|
picoShader_t *picoShader;
|
|
picoVec3_t xyz, normal;
|
|
picoVec2_t st;
|
|
picoColor_t color;
|
|
|
|
|
|
/* -------------------------------------------------
|
|
mdc loading
|
|
------------------------------------------------- */
|
|
|
|
|
|
/* set as mdc */
|
|
bb0 = bb = (picoByte_t*) _pico_alloc( bufSize );
|
|
memcpy( bb, buffer, bufSize );
|
|
mdc = (mdc_t*) bb;
|
|
|
|
/* check ident and version */
|
|
if ( *( (int*) mdc->magic ) != *( (int*) MDC_MAGIC ) || _pico_little_long( mdc->version ) != MDC_VERSION ) {
|
|
/* not an mdc file (todo: set error) */
|
|
_pico_free( bb0 );
|
|
return NULL;
|
|
}
|
|
|
|
/* swap mdc */
|
|
mdc->version = _pico_little_long( mdc->version );
|
|
mdc->numFrames = _pico_little_long( mdc->numFrames );
|
|
mdc->numTags = _pico_little_long( mdc->numTags );
|
|
mdc->numSurfaces = _pico_little_long( mdc->numSurfaces );
|
|
mdc->numSkins = _pico_little_long( mdc->numSkins );
|
|
mdc->ofsFrames = _pico_little_long( mdc->ofsFrames );
|
|
mdc->ofsTags = _pico_little_long( mdc->ofsTags );
|
|
mdc->ofsTagNames = _pico_little_long( mdc->ofsTagNames );
|
|
mdc->ofsSurfaces = _pico_little_long( mdc->ofsSurfaces );
|
|
mdc->ofsEnd = _pico_little_long( mdc->ofsEnd );
|
|
|
|
/* do frame check */
|
|
if ( mdc->numFrames < 1 ) {
|
|
_pico_printf( PICO_ERROR, "MDC with 0 frames" );
|
|
_pico_free( bb0 );
|
|
return NULL;
|
|
}
|
|
|
|
if ( frameNum < 0 || frameNum >= mdc->numFrames ) {
|
|
_pico_printf( PICO_ERROR, "Invalid or out-of-range MDC frame specified" );
|
|
_pico_free( bb0 );
|
|
return NULL;
|
|
}
|
|
|
|
/* swap frames */
|
|
frame = (mdcFrame_t*) ( bb + mdc->ofsFrames );
|
|
for ( i = 0; i < mdc->numFrames; i++, frame++ )
|
|
{
|
|
frame->radius = _pico_little_float( frame->radius );
|
|
for ( j = 0; j < 3; j++ )
|
|
{
|
|
frame->bounds[ 0 ][ j ] = _pico_little_float( frame->bounds[ 0 ][ j ] );
|
|
frame->bounds[ 1 ][ j ] = _pico_little_float( frame->bounds[ 1 ][ j ] );
|
|
frame->localOrigin[ j ] = _pico_little_float( frame->localOrigin[ j ] );
|
|
}
|
|
}
|
|
|
|
/* swap surfaces */
|
|
surface = (mdcSurface_t*) ( bb + mdc->ofsSurfaces );
|
|
for ( i = 0; i < mdc->numSurfaces; i++ )
|
|
{
|
|
/* swap surface mdc */
|
|
surface->flags = _pico_little_long( surface->flags );
|
|
surface->numBaseFrames = _pico_little_long( surface->numBaseFrames );
|
|
surface->numCompFrames = _pico_little_long( surface->numCompFrames );
|
|
surface->numShaders = _pico_little_long( surface->numShaders );
|
|
surface->numTriangles = _pico_little_long( surface->numTriangles );
|
|
surface->ofsTriangles = _pico_little_long( surface->ofsTriangles );
|
|
surface->numVerts = _pico_little_long( surface->numVerts );
|
|
surface->ofsShaders = _pico_little_long( surface->ofsShaders );
|
|
surface->ofsSt = _pico_little_long( surface->ofsSt );
|
|
surface->ofsXyzNormals = _pico_little_long( surface->ofsXyzNormals );
|
|
surface->ofsXyzCompressed = _pico_little_long( surface->ofsXyzCompressed );
|
|
surface->ofsFrameBaseFrames = _pico_little_long( surface->ofsFrameBaseFrames );
|
|
surface->ofsFrameCompFrames = _pico_little_long( surface->ofsFrameCompFrames );
|
|
surface->ofsEnd = _pico_little_long( surface->ofsEnd );
|
|
|
|
/* swap triangles */
|
|
triangle = (mdcTriangle_t*) ( (picoByte_t*) surface + surface->ofsTriangles );
|
|
for ( j = 0; j < surface->numTriangles; j++, triangle++ )
|
|
{
|
|
/* sea: swaps fixed */
|
|
triangle->indexes[ 0 ] = _pico_little_long( triangle->indexes[ 0 ] );
|
|
triangle->indexes[ 1 ] = _pico_little_long( triangle->indexes[ 1 ] );
|
|
triangle->indexes[ 2 ] = _pico_little_long( triangle->indexes[ 2 ] );
|
|
}
|
|
|
|
/* swap st coords */
|
|
texCoord = (mdcTexCoord_t*) ( (picoByte_t*) surface + surface->ofsSt );
|
|
for ( j = 0; j < surface->numVerts; j++, texCoord++ )
|
|
{
|
|
texCoord->st[ 0 ] = _pico_little_float( texCoord->st[ 0 ] );
|
|
texCoord->st[ 1 ] = _pico_little_float( texCoord->st[ 1 ] );
|
|
}
|
|
|
|
/* swap xyz/normals */
|
|
vertex = (mdcVertex_t*) ( (picoByte_t*) surface + surface->ofsXyzNormals );
|
|
for ( j = 0; j < ( surface->numVerts * surface->numBaseFrames ); j++, vertex++ )
|
|
{
|
|
vertex->xyz[ 0 ] = _pico_little_short( vertex->xyz[ 0 ] );
|
|
vertex->xyz[ 1 ] = _pico_little_short( vertex->xyz[ 1 ] );
|
|
vertex->xyz[ 2 ] = _pico_little_short( vertex->xyz[ 2 ] );
|
|
vertex->normal = _pico_little_short( vertex->normal );
|
|
}
|
|
|
|
/* swap xyz/compressed */
|
|
vertexComp = (mdcXyzCompressed_t*) ( (picoByte_t*) surface + surface->ofsXyzCompressed );
|
|
for ( j = 0; j < ( surface->numVerts * surface->numCompFrames ); j++, vertexComp++ )
|
|
{
|
|
vertexComp->ofsVec = _pico_little_long( vertexComp->ofsVec );
|
|
}
|
|
|
|
/* swap base frames */
|
|
mdcShort = (short *) ( (picoByte_t*) surface + surface->ofsFrameBaseFrames );
|
|
for ( j = 0; j < mdc->numFrames; j++, mdcShort++ )
|
|
{
|
|
*mdcShort = _pico_little_short( *mdcShort );
|
|
}
|
|
|
|
/* swap compressed frames */
|
|
mdcShort = (short *) ( (picoByte_t*) surface + surface->ofsFrameCompFrames );
|
|
for ( j = 0; j < mdc->numFrames; j++, mdcShort++ )
|
|
{
|
|
*mdcShort = _pico_little_short( *mdcShort );
|
|
}
|
|
|
|
/* get next surface */
|
|
surface = (mdcSurface_t*) ( (picoByte_t*) surface + surface->ofsEnd );
|
|
}
|
|
|
|
/* -------------------------------------------------
|
|
pico model creation
|
|
------------------------------------------------- */
|
|
|
|
/* create new pico model */
|
|
picoModel = PicoNewModel();
|
|
if ( picoModel == NULL ) {
|
|
_pico_printf( PICO_ERROR, "Unable to allocate a new model" );
|
|
_pico_free( bb0 );
|
|
return NULL;
|
|
}
|
|
|
|
/* do model setup */
|
|
PicoSetModelFrameNum( picoModel, frameNum );
|
|
PicoSetModelNumFrames( picoModel, mdc->numFrames ); /* sea */
|
|
PicoSetModelName( picoModel, fileName );
|
|
PicoSetModelFileName( picoModel, fileName );
|
|
|
|
/* mdc surfaces become picomodel surfaces */
|
|
surface = (mdcSurface_t*) ( bb + mdc->ofsSurfaces );
|
|
|
|
/* run through mdc surfaces */
|
|
for ( i = 0; i < mdc->numSurfaces; i++ )
|
|
{
|
|
/* allocate new pico surface */
|
|
picoSurface = PicoNewSurface( picoModel );
|
|
if ( picoSurface == NULL ) {
|
|
_pico_printf( PICO_ERROR, "Unable to allocate a new model surface" );
|
|
PicoFreeModel( picoModel ); /* sea */
|
|
_pico_free( bb0 );
|
|
return NULL;
|
|
}
|
|
|
|
/* mdc model surfaces are all triangle meshes */
|
|
PicoSetSurfaceType( picoSurface, PICO_TRIANGLES );
|
|
|
|
/* set surface name */
|
|
PicoSetSurfaceName( picoSurface, surface->name );
|
|
|
|
/* create new pico shader -sea */
|
|
picoShader = PicoNewShader( picoModel );
|
|
if ( picoShader == NULL ) {
|
|
_pico_printf( PICO_ERROR, "Unable to allocate a new model shader" );
|
|
PicoFreeModel( picoModel );
|
|
_pico_free( bb0 );
|
|
return NULL;
|
|
}
|
|
|
|
/* detox and set shader name */
|
|
shader = (mdcShader_t*) ( (picoByte_t*) surface + surface->ofsShaders );
|
|
_pico_setfext( shader->name, "" );
|
|
_pico_unixify( shader->name );
|
|
PicoSetShaderName( picoShader, shader->name );
|
|
|
|
/* associate current surface with newly created shader */
|
|
PicoSetSurfaceShader( picoSurface, picoShader );
|
|
|
|
/* copy indexes */
|
|
triangle = (mdcTriangle_t *) ( (picoByte_t*) surface + surface->ofsTriangles );
|
|
|
|
for ( j = 0; j < surface->numTriangles; j++, triangle++ )
|
|
{
|
|
PicoSetSurfaceIndex( picoSurface, ( j * 3 + 0 ), (picoIndex_t) triangle->indexes[ 0 ] );
|
|
PicoSetSurfaceIndex( picoSurface, ( j * 3 + 1 ), (picoIndex_t) triangle->indexes[ 1 ] );
|
|
PicoSetSurfaceIndex( picoSurface, ( j * 3 + 2 ), (picoIndex_t) triangle->indexes[ 2 ] );
|
|
}
|
|
|
|
/* copy vertexes */
|
|
texCoord = (mdcTexCoord_t*) ( (picoByte_t *) surface + surface->ofsSt );
|
|
mdcShort = (short *) ( (picoByte_t *) surface + surface->ofsXyzNormals ) + ( (int)*( (short *) ( (picoByte_t *) surface + surface->ofsFrameBaseFrames ) + frameNum ) * surface->numVerts * 4 );
|
|
if ( surface->numCompFrames > 0 ) {
|
|
mdcCompVert = (short *) ( (picoByte_t *) surface + surface->ofsFrameCompFrames ) + frameNum;
|
|
if ( *mdcCompVert >= 0 ) {
|
|
vertexComp = (mdcXyzCompressed_t *) ( (picoByte_t *) surface + surface->ofsXyzCompressed ) + ( *mdcCompVert * surface->numVerts );
|
|
}
|
|
}
|
|
_pico_set_color( color, 255, 255, 255, 255 );
|
|
|
|
for ( j = 0; j < surface->numVerts; j++, texCoord++, mdcShort += 4 )
|
|
{
|
|
/* set vertex origin */
|
|
xyz[ 0 ] = MDC_SCALE * mdcShort[ 0 ];
|
|
xyz[ 1 ] = MDC_SCALE * mdcShort[ 1 ];
|
|
xyz[ 2 ] = MDC_SCALE * mdcShort[ 2 ];
|
|
|
|
/* add compressed ofsVec */
|
|
if ( surface->numCompFrames > 0 && *mdcCompVert >= 0 ) {
|
|
xyz[ 0 ] += ( (float) ( ( vertexComp->ofsVec ) & 255 ) - MDC_MAX_OFS ) * MDC_DIST_SCALE;
|
|
xyz[ 1 ] += ( (float) ( ( vertexComp->ofsVec >> 8 ) & 255 ) - MDC_MAX_OFS ) * MDC_DIST_SCALE;
|
|
xyz[ 2 ] += ( (float) ( ( vertexComp->ofsVec >> 16 ) & 255 ) - MDC_MAX_OFS ) * MDC_DIST_SCALE;
|
|
PicoSetSurfaceXYZ( picoSurface, j, xyz );
|
|
|
|
normal[ 0 ] = (float) mdcNormals[ ( vertexComp->ofsVec >> 24 ) ][ 0 ];
|
|
normal[ 1 ] = (float) mdcNormals[ ( vertexComp->ofsVec >> 24 ) ][ 1 ];
|
|
normal[ 2 ] = (float) mdcNormals[ ( vertexComp->ofsVec >> 24 ) ][ 2 ];
|
|
PicoSetSurfaceNormal( picoSurface, j, normal );
|
|
|
|
vertexComp++;
|
|
}
|
|
else
|
|
{
|
|
PicoSetSurfaceXYZ( picoSurface, j, xyz );
|
|
|
|
/* decode lat/lng normal to 3 float normal */
|
|
lat = (float) ( ( *( mdcShort + 3 ) >> 8 ) & 0xff );
|
|
lng = (float) ( *( mdcShort + 3 ) & 0xff );
|
|
lat *= PICO_PI / 128;
|
|
lng *= PICO_PI / 128;
|
|
normal[ 0 ] = (picoVec_t) cos( lat ) * (picoVec_t) sin( lng );
|
|
normal[ 1 ] = (picoVec_t) sin( lat ) * (picoVec_t) sin( lng );
|
|
normal[ 2 ] = (picoVec_t) cos( lng );
|
|
PicoSetSurfaceNormal( picoSurface, j, normal );
|
|
}
|
|
|
|
/* set st coords */
|
|
st[ 0 ] = texCoord->st[ 0 ];
|
|
st[ 1 ] = texCoord->st[ 1 ];
|
|
PicoSetSurfaceST( picoSurface, 0, j, st );
|
|
|
|
/* set color */
|
|
PicoSetSurfaceColor( picoSurface, 0, j, color );
|
|
}
|
|
|
|
/* get next surface */
|
|
surface = (mdcSurface_t*) ( (picoByte_t*) surface + surface->ofsEnd );
|
|
}
|
|
|
|
/* return the new pico model */
|
|
_pico_free( bb0 );
|
|
return picoModel;
|
|
}
|
|
|
|
|
|
|
|
/* pico file format module definition */
|
|
const picoModule_t picoModuleMDC =
|
|
{
|
|
"1.3", /* module version string */
|
|
"RtCW MDC", /* module display name */
|
|
"Arnout van Meer", /* author's name */
|
|
"2002 Arnout van Meer", /* module copyright */
|
|
{
|
|
"mdc", NULL, NULL, NULL /* default extensions to use */
|
|
},
|
|
_mdc_canload, /* validation routine */
|
|
_mdc_load, /* load routine */
|
|
NULL, /* save validation routine */
|
|
NULL /* save routine */
|
|
};
|