tCrossBar/texturecache.lua at main · TreeFidyDad/tCrossBar · GitHub

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local d3d8 = require('d3d8');
local d3d8_device = d3d8.get_device();
local ffi = require('ffi');
local TextureCache = {};
TextureCache.ItemCache = {};
TextureCache.ImageCache = {};
TextureCache.StatusCache = {};

function TextureCache:Clear()
    self.ItemCache = {};
    self.ImageCache = {};
    self.StatusCache = {};
end

function TextureCache:GetTexture(file)
    if (string.sub(file, 1, 5) == 'ITEM:') then
        local itemId = tonumber(string.sub(file, 6));
        if type(itemId) ~= 'number' then
            return;
        end

        local tx = self.ItemCache[itemId]
        if tx then
            return tx;
        end

        local item = AshitaCore:GetResourceManager():GetItemById(itemId);
        if (item == nil) then
            return;
        end

        local dx_texture_ptr = ffi.new('IDirect3DTexture8*[1]');
        local size = -1;
        if (ashita.interface_version == nil) then
            size = item.ImageSize;
        end
        if (ffi.C.D3DXCreateTextureFromFileInMemoryEx(d3d8_device, item.Bitmap, size, 0xFFFFFFFF, 0xFFFFFFFF, 1, 0, ffi.C.D3DFMT_A8R8G8B8, ffi.C.D3DPOOL_MANAGED, ffi.C.D3DX_DEFAULT, ffi.C.D3DX_DEFAULT, 0xFF000000, nil, nil, dx_texture_ptr) == ffi.C.S_OK) then
            local texture = d3d8.gc_safe_release(ffi.cast('IDirect3DTexture8*', dx_texture_ptr[0]));
            local result, desc = texture:GetLevelDesc(0);
            if result == 0 then
                tx = {};
                tx.Texture = texture;
                tx.Width   = desc.Width;
                tx.Height  = desc.Height;
                self.ItemCache[itemId] = tx;
                return tx;
            end
            return;
        end
    end

    if (string.sub(file, 1, 7) == 'STATUS:') then
        local statusId = tonumber(string.sub(file, 8));
        if type(statusId) ~= 'number' then
            return;
        end

        local tx = self.StatusCache[statusId]
        if tx then
            return tx;
        end

        local status = AshitaCore:GetResourceManager():GetStatusIconByIndex(statusId);
        if (status == nil) then
            return;
        end


        local dx_texture_ptr = ffi.new('IDirect3DTexture8*[1]');
        local size = -1;
        if (ashita.interface_version == nil) then
            size = status.ImageSize;
        end
        if (ffi.C.D3DXCreateTextureFromFileInMemoryEx(d3d8_device, status.Bitmap, size, 0xFFFFFFFF, 0xFFFFFFFF, 1, 0, ffi.C.D3DFMT_A8R8G8B8, ffi.C.D3DPOOL_MANAGED, ffi.C.D3DX_DEFAULT, ffi.C.D3DX_DEFAULT, 0xFF000000, nil, nil, dx_texture_ptr) == ffi.C.S_OK) then
            local texture = d3d8.gc_safe_release(ffi.cast('IDirect3DTexture8*', dx_texture_ptr[0]));
            local result, desc = texture:GetLevelDesc(0);
            if result == 0 then
                tx = {};
                tx.Texture = texture;
                tx.Width   = desc.Width;
                tx.Height  = desc.Height;
                self.StatusCache[statusId] = tx;
                return tx;
            end
            return;
        end
    end

    local tx = self.ImageCache[file];
    if tx then
        return tx;
    end

    local path = GetImagePath(file);
    if (path ~= nil) then
        local dx_texture_ptr = ffi.new('IDirect3DTexture8*[1]');
        if (ffi.C.D3DXCreateTextureFromFileA(d3d8_device, path, dx_texture_ptr) == ffi.C.S_OK) then
            local texture = d3d8.gc_safe_release(ffi.cast('IDirect3DTexture8*', dx_texture_ptr[0]));
            local result, desc = texture:GetLevelDesc(0);
            if result == 0 then
                tx = {};
                tx.Texture = texture;
                tx.Width   = desc.Width;
                tx.Height  = desc.Height;
                self.ImageCache[file] = tx;
                return tx;
            end
            return;
        end
    end
end

return TextureCache;