/*
MODELS.C

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001132F0 0090:
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00113380 0140:
	_model_get_node_matrices (0000)
001134C0 0110:
	_model_node_matrices_from_orientations (0000)
001135D0 00a0:
	_model_find_marker (0000)
00113670 0030:
	_model_get_default_inverse_matrix (0000)
001136A0 0070:
	_model_find_node (0000)
00113710 0010:
	_code_00113710 (0000)
00113720 0860:
	_render_model (0000)
00113F80 01d0:
	_model_get_marker_by_name (0000)
00114150 0070:
	_model_build_tangent_matrices (0000)
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	??_C@_0N@PBHIAIOK@render_model?$AA@ (0000)
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	??_C@_0GB@CAHPCM@part?9?$DOcentroid_secondary_node_in@ (0000)
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0027FBD0 0073:
	??_C@_0HD@NKPBNIND@object_marker?9?$DOnode_index?$DO?$DN0?5?$CG?$CG?5@ (0000)
0027FC44 0008:
	??_C@_07LGFKJAB@markers?$AA@ (0000)
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	??_C@_0O@BKFGBDDJ@node_matrices?$AA@ (0000)
0030A390 05f8:
	_data_0030a390 (0000)
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	_bss_00456650 (0000)
*/

/* ---------- headers */

#include "cseries.h"
#include "models.h"

#include "model_definitions.h"

#include "math/real_math.h"
#include "objects/objects.h"

/* ---------- constants */

/* ---------- macros */

/* ---------- structures */

/* ---------- prototypes */

/* ---------- globals */

/* ---------- public code */

short model_get_marker_by_name(
	long model_index,
	char const *name,
	byte const *region_permutations,
	short const *node_remapping_table,
	short node_count,
	real_matrix4x3 const *node_matrices,
	boolean mirrored_flag,
	struct object_marker *markers,
	short maximum_marker_count)
{
	short result = 0;
	short marker_index = model_find_marker(model_index, name);

	match_assert("c:\\halo\\SOURCE\\models\\models.c", 760, node_matrices);
	match_assert("c:\\halo\\SOURCE\\models\\models.c", 761, markers);

	if (marker_index!=NONE)
	{
		short i;

		struct model *model = model_definition_get(model_index);
		struct model_marker* marker = TAG_BLOCK_GET_ELEMENT(&model->markers, marker_index, struct model_marker);

		for (i =0; i<marker->instances.count; i++)
		{
			struct model_marker_instance* instance = TAG_BLOCK_GET_ELEMENT(&marker->instances, i, struct model_marker_instance);
			if (!region_permutations ||
				region_permutations[instance->region_index]==instance->permutation_index)
			{
				struct object_marker *object_marker;

				if (result>=maximum_marker_count)
				{
					break;
				}

				object_marker = &markers[result++];
				object_marker->node_index = node_remapping_table ? node_remapping_table[instance->node_index] : instance->node_index;
				matrix4x3_from_point_and_quaternion(&object_marker->node_matrix, &instance->translation, &instance->rotation);
				match_assert(
					"c:\\halo\\SOURCE\\models\\models.c",
					785,
					object_marker->node_index>=0 && object_marker->node_index<(node_remapping_table ? node_count : model->nodes.count));
				
				matrix4x3_multiply(&node_matrices[object_marker->node_index], &object_marker->node_matrix, &object_marker->matrix);
				if (mirrored_flag)
				{
					negate_vector3d(&object_marker->matrix.left, &object_marker->matrix.left);
				}
			}
		}
	}

	return result;
}

/* ---------- private code */