pc_props.h

/* 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.
 *
 * Additional copyright for this file:
 * Copyright (C) 1999-2000 Revolution Software Ltd.
 * This code is based on source code created by Revolution Software,
 * used with permission.
 *
 * 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/>.
 *
 */

#ifndef ICB_PC_PROPS_H
#define ICB_PC_PROPS_H

#include "engines/icb/common/px_staticlayers.h" // for types + defines
#include "engines/icb/common/px_types.h"

namespace ICB {

#define PCPROP_SCHEMA 3
#define PCPROP_ID MKTAG('p', 'o', 'r', 'P')

#define PCINTERACTIBLE_SCHEMA 2
#define PCINTERACTIBLE_ID MKTAG('k', 'c', 'a', 'T')

#define PCSETFILE_ID_ICB MKTAG('t', 'n', 'i', 'm')
#define PCSETFILE_ID_ELDORADO MKTAG('t', 'n', 'i', 'p')

typedef struct _pcSetHeader {
    uint32 id;
    uint32 cameraOffset;
    uint32 lightOffset;
    uint32 propOffset;
    uint32 layerOffset;
    uint32 backgroundOffset;
    uint32 interactiblesOffset;
} _pcSetHeader;

class pcInteractible {
private:
    char name[32];
    int32 width;
    int32 height;
    int32 x;
    int32 y;
    uint8 *mask;

public:
    pcInteractible(uint8 *interactiblePtr) {
        uint8 *ptr = interactiblePtr;

        memcpy(name, ptr, 32);
        ptr += 32;

        width = (int32)READ_LE_U32(ptr);
        ptr += 4;

        height = (int32)READ_LE_U32(ptr);
        ptr += 4;

        x = (int32)READ_LE_U32(ptr);
        ptr += 4;

        y = (int32)READ_LE_U32(ptr);
        ptr += 4;

        mask = ptr;
    }
};

class pcInteractibleFile {
private:
    uint32 id;
    uint32 schema;
    uint32 mapping;
    uint32 quantity;
    pcInteractible **interactibles;

public:
    pcInteractibleFile() : id(PCINTERACTIBLE_ID), schema(PCINTERACTIBLE_SCHEMA), mapping(0), quantity(0), interactibles(nullptr) {}

    pcInteractibleFile(uint8 *interactibleData) {
        uint8 *ptr = interactibleData;

        id = READ_LE_U32(ptr);
        ptr += 4;

        schema = READ_LE_U32(ptr);
        ptr += 4;

        mapping = READ_LE_U32(ptr);
        ptr += 4;

        quantity = READ_LE_U32(ptr);
        ptr += 4;

        interactibles = new pcInteractible *[quantity];
        for (uint32 i = 0; i < quantity; i++) {
            interactibles[i] = new pcInteractible(interactibleData + READ_LE_U32(ptr));
            ptr += 4;
        }
    }

    ~pcInteractibleFile() {
        for (uint32 i = 0; i < quantity; i++) {
            delete interactibles[i];
        }
        delete[] interactibles;
        interactibles = 0;
    }

    uint32 GetID() { return id; }
    void SetId(uint32 i) { id = i; }
    uint32 GetQty() { return quantity; }
    void SetQty(uint32 q) { quantity = q; }
    pcInteractible *GetInt(uint32 i) { return interactibles[i]; }
    void SetSchema(uint32 s) { schema = s; }
    uint32 GetSchema() const {
        if (id != PCINTERACTIBLE_ID)
            return 0;
        else
            return schema;
    }
};

class pcPropRGBState {
private:
    uint16 *zPtrs[TILE_COUNT];
    uint16 *semiPtrs[TILE_COUNT];
    uint16 nLRBgTiles;
    uint16 nLRFgTiles;
    uint16 nHRBgTiles;
    uint16 nHRFgTiles;
    uint32 *palettePtr;
    uint16 bgLRSurfaceWidth;
    uint16 bgLRSurfaceHeight;
    uint16 fgLRSurfaceWidth;
    uint16 fgLRSurfaceHeight;
    uint16 bgHRSurfaceWidth;
    uint16 bgHRSurfaceHeight;
    uint16 fgHRSurfaceWidth;
    uint16 fgHRSurfaceHeight;
    uint8 *bgLRRleDataPtr;
    uint8 *fgLRRleDataPtr;
    uint8 *bgHRRleDataPtr;
    uint8 *fgHRRleDataPtr;
    LRECT *tileRects;
public:
    pcPropRGBState(uint8 *propBasePtr, uint32 dataOffset) {
        uint8 *ptr = propBasePtr + dataOffset;

        for (int32 i = 0; i < TILE_COUNT; i++) {
            zPtrs[i] = 0;
            if (uint32 offset = READ_LE_U32(ptr)) {
                zPtrs[i] = (uint16 *)(propBasePtr + offset);
            }
            ptr += 4;
        }

        for (int32 i = 0; i < TILE_COUNT; i++) {
            semiPtrs[i] = 0;
            if (uint32 offset = READ_LE_U32(ptr)) {
                semiPtrs[i] = (uint16 *)(propBasePtr + offset);
            }
            ptr += 4;
        }

        nLRBgTiles = READ_LE_U16(ptr);
        ptr += 2;

        nLRFgTiles = READ_LE_U16(ptr);
        ptr += 2;

        nHRBgTiles = READ_LE_U16(ptr);
        ptr += 2;

        nHRFgTiles = READ_LE_U16(ptr);
        ptr += 2;

        palettePtr = (uint32 *)(propBasePtr + READ_LE_U32(ptr));
        ptr += 4;

        bgLRSurfaceWidth = READ_LE_U16(ptr);
        ptr += 2;

        bgLRSurfaceHeight = READ_LE_U16(ptr);
        ptr += 2;

        fgLRSurfaceWidth = READ_LE_U16(ptr);
        ptr += 2;

        fgLRSurfaceHeight = READ_LE_U16(ptr);
        ptr += 2;

        bgHRSurfaceWidth = READ_LE_U16(ptr);
        ptr += 2;

        bgHRSurfaceHeight = READ_LE_U16(ptr);
        ptr += 2;

        fgHRSurfaceWidth = READ_LE_U16(ptr);
        ptr += 2;

        fgHRSurfaceHeight = READ_LE_U16(ptr);
        ptr += 2;

        bgLRRleDataPtr = propBasePtr + READ_LE_U32(ptr);
        ptr += 4;

        fgLRRleDataPtr = propBasePtr + READ_LE_U32(ptr);
        ptr += 4;

        bgHRRleDataPtr = propBasePtr + READ_LE_U32(ptr);
        ptr += 4;

        fgHRRleDataPtr = propBasePtr + READ_LE_U32(ptr);
        ptr += 4;

        tileRects = (LRECT *)ptr;
    }

    uint16 *GetZTileTable(int32 t) { return zPtrs[t]; }
    uint16 *GetSemiTileTable(int32 t) { return semiPtrs[t]; }
    uint16 GetLRBgTileQty() { return nLRBgTiles; }
    uint16 GetLRFgTileQty() { return nLRFgTiles; }
    uint16 GetHRBgTileQty() { return nHRBgTiles; }
    uint16 GetHRFgTileQty() { return nHRFgTiles; }
    uint32 *GetPalette() { return palettePtr; }
    uint16 GetLRBgSurfaceWidth() { return bgLRSurfaceWidth; }
    uint16 GetLRBgSurfaceHeight() { return bgLRSurfaceHeight; }
    uint16 GetLRFgSurfaceWidth() { return fgLRSurfaceWidth; }
    uint16 GetLRFgSurfaceHeight() { return fgLRSurfaceHeight; }
    uint16 GetHRBgSurfaceWidth() { return bgHRSurfaceWidth; }
    uint16 GetHRBgSurfaceHeight() { return bgHRSurfaceHeight; }
    uint16 GetHRFgSurfaceWidth() { return fgHRSurfaceWidth; }
    uint16 GetHRFgSurfaceHeight() { return fgHRSurfaceHeight; }
    uint8 *GetLRBgRlePtr() { return bgLRRleDataPtr; }
    uint8 *GetLRFgRlePtr() { return fgLRRleDataPtr; }
    uint8 *GetHRBgRlePtr() { return bgHRRleDataPtr; }
    uint8 *GetHRFgRlePtr() { return fgHRRleDataPtr; }
    LRECT *GetTileRects() { return tileRects; }
};

class pcPropRGB {
private:
    char name[32];
    uint32 stateQty;
    pcPropRGBState **states;

public:
    pcPropRGB(uint8 *propBasePtr, uint32 dataOffset) {
        uint8 *ptr = propBasePtr + dataOffset;

        memcpy(name, ptr, 32);
        ptr += 32;

        stateQty = READ_LE_U32(ptr);
        ptr += 4;

        states = new pcPropRGBState *[stateQty];
        for (uint32 i = 0; i < stateQty; i++) {
            states[i] = new pcPropRGBState(propBasePtr, READ_LE_U32(ptr));
            ptr += 4;
        }
    }

    ~pcPropRGB() {
        for (uint32 i = 0; i < stateQty; i++) {
            delete states[i];
        }
        delete[] states;
        states = 0;
    }

    const char *GetName() const { return name; }
    uint32 GetStateQty() const { return stateQty; }
    pcPropRGBState *GetState(uint32 s) { return states[s]; }
};

class pcPropFile {
private:
    uint32 id;
    uint32 schema;
    uint32 mapping;
    uint32 propQty;
    pcPropRGB **props;

public:
    pcPropFile(uint8 *propData) {
        uint8 *ptr = propData;

        id = READ_LE_U32(ptr);
        ptr += 4;

        schema = READ_LE_U32(ptr);
        ptr += 4;

        mapping = READ_LE_U32(ptr);
        ptr += 4;

        propQty = READ_LE_U32(ptr);
        ptr += 4;

        props = new pcPropRGB *[propQty];
        for (uint32 i = 0; i < propQty; i++) {
            props[i] = new pcPropRGB(propData, READ_LE_U32(ptr));
            ptr += 4;
        }
    }

    ~pcPropFile() {
        for (uint32 i = 0; i < propQty; i++) {
            delete props[i];
        }
        delete[] props;
        props = 0;
    }

    uint32 GetId() const { return id; }
    uint32 GetPropQty() const { return propQty; }
    pcPropRGB *GetProp(uint32 p) { return props[p]; }
    uint32 GetSchema() const {
        if (id != PCPROP_ID)
            return 0;
        else
            return schema;
    }
};

} // End of namespace ICB

#endif // #ifndef PC_PROPS_H