ui_node_sequence.cpp

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/*
Copyright (C) 2002-2025 UFO: Alien Invasion.
 
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 2
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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
*/
 
#include "../ui_nodes.h"
#include "../ui_parse.h"
#include "../ui_behaviour.h"
#include "../ui_actions.h"
#include "../ui_draw.h"
#include "../ui_render.h"
#include "../ui_lua.h"
#include "../../client.h"
#include "../../renderer/r_misc.h"
#include "../../renderer/r_draw.h"
#include "../../cinematic/cl_sequence.h"
#include "ui_node_abstractnode.h"
 
#include "ui_node_sequence.h"
 
#include "../../../common/scripts_lua.h"
 
#define EXTRADATA_TYPE sequenceExtraData_t
#define EXTRADATA(node) UI_EXTRADATA(node, EXTRADATA_TYPE)
#define EXTRADATACONST(node) UI_EXTRADATACONST(node, EXTRADATA_TYPE)
 
extern memPool_t* ui_dynStringPool;
 
static const value_t* propertySource;
 
static const uiBehaviour_t* localBehaviour;
 
void uiSequenceNode::initNode (uiNode_t* node) {
    uiLocatedNode::initNode(node);
    EXTRADATA(node).lua_onEnd = LUA_NOREF;
}
 
void uiSequenceNode::draw (uiNode_t* node)
{
    if (EXTRADATA(node).context != nullptr && EXTRADATA(node).playing) {
        bool finished = false;
        vec2_t pos;
        vec2_t screenPos;
        UI_GetNodeAbsPos(node, pos);
        UI_GetNodeScreenPos(node, screenPos);
 
        R_PushMatrix();
        R_CleanupDepthBuffer(pos[0], pos[1], node->box.size[0], node->box.size[1]);
        UI_PushClipRect(screenPos[0], screenPos[1], node->box.size[0], node->box.size[1]);
 
        SEQ_SetView(EXTRADATA(node).context, pos, node->box.size);
        finished = !SEQ_Render(EXTRADATA(node).context);
 
        UI_PopClipRect();
        R_PopMatrix();
 
        if (finished) {
            if (EXTRADATA(node).onEnd != nullptr) {
                UI_ExecuteEventActions(node, EXTRADATA(node).onEnd);
            }
            else if (EXTRADATA(node).lua_onEnd != LUA_NOREF) {
                UI_ExecuteLuaEventScript(node, EXTRADATA(node).lua_onEnd);
            }
            EXTRADATA(node).playing = false;
        }
    }
}
 
void uiSequenceNode::onWindowOpened (uiNode_t* node, linkedList_t* params)
{
    if (EXTRADATA(node).context == nullptr)
        EXTRADATA(node).context = SEQ_AllocContext();
    if (EXTRADATA(node).source != nullptr) {
        SEQ_InitContext(EXTRADATA(node).context, EXTRADATA(node).source);
        EXTRADATA(node).playing = true;
    }
}
 
void uiSequenceNode::onWindowClosed (uiNode_t* node)
{
    if (EXTRADATA(node).context != nullptr) {
        SEQ_FreeContext(EXTRADATA(node).context);
        EXTRADATA(node).context = nullptr;
    }
    EXTRADATA(node).playing = false;
}
 
void uiSequenceNode::onLeftClick (uiNode_t* node, int x, int y)
{
    if (EXTRADATA(node).context != nullptr) {
        SEQ_SendClickEvent(EXTRADATA(node).context);
    }
}
 
void uiSequenceNode::onPropertyChanged (uiNode_t* node, const value_t* property)
{
    if (property == propertySource) {
        if (EXTRADATA(node).source != nullptr) {
            onWindowOpened(node, nullptr);
        } else if (EXTRADATA(node).context != nullptr) {
            onWindowClosed(node);
        }
        return;
    }
    uiLocatedNode::onPropertyChanged(node, property);
}
 
void UI_Sequence_SetSource(uiNode_t* node, const char* name) {
    UI_FreeStringProperty(const_cast<char*>(EXTRADATA(node).source));
    EXTRADATA(node).source = Mem_PoolStrDup(name, ui_dynStringPool, 0);
}
 
void UI_RegisterSequenceNode (uiBehaviour_t* behaviour)
{
    localBehaviour = behaviour;
    behaviour->name = "sequence";
    behaviour->manager = UINodePtr(new uiSequenceNode());
    behaviour->extraDataSize = sizeof(EXTRADATA_TYPE);
    behaviour->lua_SWIG_typeinfo = UI_SWIG_TypeQuery("uiSequenceNode_t *");

    propertySource = UI_RegisterExtradataNodeProperty(behaviour, "src", V_CVAR_OR_STRING, EXTRADATA_TYPE, source);

    UI_RegisterExtradataNodeProperty(behaviour, "onEnd", V_UI_ACTION, EXTRADATA_TYPE, onEnd);
 
}