ml
75 lines
2.9 KiB
Go
75 lines
2.9 KiB
Go
package world
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import (
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"github.com/inkyblackness/hacked/ss1/content/object"
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"github.com/inkyblackness/hacked/ss1/content/texture"
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"github.com/inkyblackness/hacked/ss1/resource"
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)
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type modAction func(modder Modder)
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// ModTransaction is used to queue a list of modifications.
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// It allows modifications of related resources in one atomic action.
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type ModTransaction struct {
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actions []modAction
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modifiedIDs resource.IDMarkerMap
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}
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// SetResourceBlock changes the block data of a resource.
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//
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// If the block data is not empty, then:
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// If the resource does not exist, it will be created with default meta information.
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// If the block does not exist, the resource is extended to allow its addition.
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//
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// If the block data is empty (or nil), then the block is cleared.
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// If the resource is a compound list, then the underlying data will become visible again.
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func (trans *ModTransaction) SetResourceBlock(lang resource.Language, id resource.ID, index int, data []byte) {
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trans.actions = append(trans.actions, func(modder Modder) {
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modder.SetResourceBlock(lang, id, index, data)
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})
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trans.modifiedIDs.Add(id)
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}
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// PatchResourceBlock modifies an existing block.
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// This modification assumes the block already exists and can take the given patch data.
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// The patch data is expected to be produced by rle.Compress().
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func (trans *ModTransaction) PatchResourceBlock(lang resource.Language, id resource.ID, index int, expectedLength int, patch []byte) {
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trans.actions = append(trans.actions, func(modder Modder) {
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modder.PatchResourceBlock(lang, id, index, expectedLength, patch)
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})
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trans.modifiedIDs.Add(id)
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}
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// SetResourceBlocks sets the entire list of block data of a resource.
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// This method is primarily meant for compound non-list resources (e.g. text pages).
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func (trans *ModTransaction) SetResourceBlocks(lang resource.Language, id resource.ID, data [][]byte) {
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trans.actions = append(trans.actions, func(modder Modder) {
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modder.SetResourceBlocks(lang, id, data)
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})
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trans.modifiedIDs.Add(id)
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}
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// DelResource removes a resource from the mod in the given language.
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//
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// After the deletion, all the underlying data of the world will become visible again.
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func (trans *ModTransaction) DelResource(lang resource.Language, id resource.ID) {
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trans.actions = append(trans.actions, func(modder Modder) {
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modder.DelResource(lang, id)
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})
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trans.modifiedIDs.Add(id)
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}
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// SetTextureProperties updates the properties of a specific texture.
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func (trans *ModTransaction) SetTextureProperties(textureIndex int, properties texture.Properties) {
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trans.actions = append(trans.actions, func(modder Modder) {
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modder.SetTextureProperties(textureIndex, properties)
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})
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}
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// SetObjectProperties updates the properties of a specific object.
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func (trans *ModTransaction) SetObjectProperties(triple object.Triple, properties object.Properties) {
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trans.actions = append(trans.actions, func(modder Modder) {
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modder.SetObjectProperties(triple, properties)
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})
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}
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