Initial commit

engines/grim/costume/model_component.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "engines/grim/debug.h"
+#include "engines/grim/model.h"
+#include "engines/grim/resource.h"
+#include "engines/grim/grim.h"
+#include "engines/grim/set.h"
+#include "engines/grim/gfx_base.h"
+#include "engines/grim/colormap.h"
+#include "engines/grim/animation.h"
+#include "engines/grim/costume/model_component.h"
+#include "engines/grim/costume/main_model_component.h"
+#include "engines/grim/costume/mesh_component.h"
+
+namespace Grim {
+
+#define DEFAULT_COLORMAP "item.cmp"
+
+ModelComponent::ModelComponent(Component *p, int parentID, const char *filename, Component *prevComponent, tag32 t) :
+		Component(p, parentID, filename, t),
+		_obj(nullptr), _hier(nullptr), _animation(nullptr), _animated(false) {
+	const char *comma = strchr(filename, ',');
+
+	// Can be called with a comma and a numeric parameter afterward, but
+	// the use for this parameter is currently unknown
+	// Example: At the "scrimshaw parlor" in Rubacava the object
+	// "manny_cafe.3do,1" is requested
+	if (comma) {
+		_name = Common::String(filename, comma);
+		warning("Comma in model components not supported: %s", filename);
+	}
+	_prevComp = prevComponent;
+}
+
+ModelComponent::~ModelComponent() {
+	if (_hier && _hier->_parent) {
+		_hier->_parent->removeChild(_hier);
+	}
+
+	delete _obj;
+	delete _animation;
+}
+
+void ModelComponent::init() {
+	if (_prevComp && _prevComp->isComponentType('M','M','D','L')) {
+		_previousCmap = _prevComp->getCMap();
+	}
+	// Skip loading if it was initialized
+	// by the sharing MainModelComponent
+	// constructor before
+	if (!_obj) {
+		CMapPtr cm = getCMap();
+
+		// Get the default colormap if we haven't found
+		// a valid colormap
+		if (!cm && g_grim->getCurrSet())
+			cm = g_grim->getCurrSet()->getCMap();
+		if (!cm) {
+			Debug::warning(Debug::Costumes, "No colormap specified for %s, using %s", _name.c_str(), DEFAULT_COLORMAP);
+
+			cm = g_resourceloader->getColormap(DEFAULT_COLORMAP);
+		}
+
+		// If we're the child of a mesh component, put our nodes in the
+		// parent object's tree.
+		if (_parent) {
+			MeshComponent *mc = static_cast<MeshComponent *>(_parent);
+			_obj = g_resourceloader->loadModel(_name, cm, mc->getModel());
+			_hier = _obj->getHierarchy();
+			mc->getNode()->addChild(_hier);
+		} else {
+			_obj = g_resourceloader->loadModel(_name, cm);
+			_hier = _obj->getHierarchy();
+			Debug::warning(Debug::Costumes, "Parent of model %s wasn't a mesh", _name.c_str());
+		}
+
+		// Use parent availability to decide whether to default the
+		// component to being visible
+		if (_parent)
+			setKey(0);
+		else
+			setKey(1);
+	}
+
+	if (!_animation) {
+		_animation = new AnimManager();
+	}
+}
+
+void ModelComponent::setKey(int val) {
+	_visible = (val != 0);
+	_hier->_hierVisible = _visible;
+}
+
+void ModelComponent::reset() {
+	_visible = false;
+	_hier->_hierVisible = _visible;
+}
+
+AnimManager *ModelComponent::getAnimManager() const {
+	return _animation;
+}
+
+int ModelComponent::update(uint time) {
+	// First reset the current animation.
+	for (int i = 0; i < getNumNodes(); i++) {
+		_hier[i]._animPos = _hier[i]._pos;
+		_hier[i]._animRot = _hier[i]._rot;
+	}
+
+	_animated = false;
+	return 0;
+}
+
+void ModelComponent::animate() {
+	if (_animated) {
+		return;
+	}
+
+	_animation->animate(_hier, getNumNodes());
+	_animated = true;
+}
+
+void ModelComponent::resetColormap() {
+	CMap *cm;
+
+	cm = getCMap();
+	if (_obj && cm)
+		_obj->reload(cm);
+}
+
+void ModelComponent::restoreState(SaveGame *state) {
+	_hier->_hierVisible = _visible;
+}
+
+int ModelComponent::getNumNodes() {
+	return _obj->getNumNodes();
+}
+
+void ModelComponent::translateObject(ModelNode *node, bool reset) {
+	if (node->_parent)
+		translateObject(node->_parent, reset);
+
+	if (reset) {
+		node->translateViewpointFinish();
+	} else {
+		node->translateViewpointStart();
+		node->translateViewpoint();
+	}
+}
+
+void ModelComponent::translateObject(bool res) {
+	ModelNode *node = _hier->_parent;
+	if (node) {
+		translateObject(node, res);
+	}
+}
+
+void ModelComponent::draw() {
+	// If the object was drawn by being a component
+	// of it's parent then don't draw it
+
+	if (_parent && _parent->isVisible())
+		return;
+	// Need to translate object to be in accordance
+	// with the setup of the parent
+	translateObject(false);
+
+	_hier->draw();
+
+	// Need to un-translate when done
+	translateObject(true);
+}
+
+void ModelComponent::getBoundingBox(int *x1, int *y1, int *x2, int *y2) {
+	// If the object was drawn by being a component
+	// of it's parent then don't draw it
+
+	if (_parent && _parent->isVisible())
+		return;
+	// Need to translate object to be in accordance
+	// with the setup of the parent
+	translateObject(false);
+
+	_hier->getBoundingBox(x1, y1, x2, y2);
+
+	// Need to un-translate when done
+	translateObject(true);
+}
+
+} // end of namespace Grim